| Level | Code | Display | Definition | 
 | 1 | (_DecisionObservationMethod) Abstract |  | Provides codes for decision methods, initially for assessing the causality of events. 
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 | 2 | ALGM | algorithm | Reaching a decision through the application of an algorithm designed to weigh the different factors involved. 
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 | 3 | BYCL | bayesian calculation | Reaching a decision through the use of Bayesian statistical analysis. 
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 | 2 | GINT | global introspection | Reaching a decision by consideration of the totality of factors involved in order to reach a judgement. 
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 | 1 | (_GeneticObservationMethod) Abstract |  | A code that provides additional detail about the means or technique used to ascertain the genetic analysis. Example, PCR, Micro Array 
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 | 2 | PCR | PCR | Description: Polymerase Chain Reaction 
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 | 1 | (_ObservationMethodAggregate) Abstract |  | Provides additional detail about the aggregation methods used to compute the aggregated values for an observation. This is an abstract code. 
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 | 2 | AVERAGE | average | Average of non-null values in the referenced set of values 
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 | 2 | COUNT | count | Count of non-null values in the referenced set of values 
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 | 2 | MAX | maxima | Largest of all non-null values in the referenced set of values. 
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 | 2 | MEDIAN | median | The median of all non-null values in the referenced set of values. 
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 | 2 | MIN | minima | Smallest of all non-null values in the referenced set of values. 
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 | 2 | MODE | mode | The most common value of all non-null values in the referenced set of values. 
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 | 2 | STDEV.P | population standard deviation | Standard Deviation of the values in the referenced set of values, computed over the population. 
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 | 2 | STDEV.S | sample standard deviation | Standard Deviation of the values in the referenced set of values, computed over a sample of the population. 
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 | 2 | SUM | sum | Sum of non-null values in the referenced set of values 
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 | 2 | VARIANCE.P | population variance | Variance of the values in the referenced set of values, computed over the population. 
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 | 2 | VARIANCE.S | sample variance | Variance of the values in the referenced set of values, computed over a sample of the population. 
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 | 1 | (_VerificationMethod) Abstract |  |  | 
 | 2 | VDOC | document verification | Verification by means of document. Example: Fax, letter, attachment to e-mail.
 
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 | 2 | VREG | registry verification | verification by means of  a response to an electronic query Example: query message to a Covered Party registry application or Coverage Administrator.
 
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 | 2 | VTOKEN | electronic token verification | Verification by means of electronic token. Example: smartcard, magnetic swipe card, RFID device.
 
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 | 2 | VVOICE | voice-based verification | Verification by means of voice. Example: By speaking with or calling the Coverage Administrator or Covered Party
 
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 | 1 | 0001 | Complement fixation | Complement fixation 
 | 
 | 1 | 0002 | Computed axial tomography | Computed axial tomography 
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 | 1 | 0003 | HLAR agar test | Susceptibility, High Level Aminoglycoside Resistance agar test 
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 | 1 | 0004 | Macroscopic observation | Visual, Macroscopic observation 
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 | 1 | 0005 | Magnetic resonance | Computed, Magnetic resonance 
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 | 1 | 0006 | Morphometry | Computed, Morphometry 
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 | 1 | 0007 | Positron emission tomography | Computed, Positron emission tomography 
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 | 1 | 0008 | SAMHSA confirmation | SAMHSA drug assay confirmation 
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 | 1 | 0009 | SAMHSA screening | SAMHSA drug assay screening 
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 | 1 | 0010 | Serum Neutralization | Serum Neutralization 
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 | 1 | 0011 | Titration | Titration 
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 | 1 | 0012 | Ultrasound | Ultrasound 
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 | 1 | 0013 | X-ray crystallography | X-ray crystallography 
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 | 1 | 0014 | Agglutination | Agglutination 
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 | 1 | 0015 | Buffered acidified plate agglutination | Agglutination, Buffered acidified plate 
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 | 1 | 0016 | Card agglutination | Agglutination, Card 
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 | 1 | 0017 | Hemagglutination | Agglutination, Hemagglutination 
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 | 1 | 0018 | Hemagglutination inhibition | Agglutination, Hemagglutination inhibition 
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 | 1 | 0019 | Latex agglutination | Agglutination, Latex 
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 | 1 | 0020 | Plate agglutination | Agglutination, Plate 
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 | 1 | 0021 | Rapid agglutination | Agglutination, Rapid Plate 
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 | 1 | 0022 | RBC agglutination | Agglutination, RBC 
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 | 1 | 0023 | Rivanol agglutination | Agglutination, Rivanol 
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 | 1 | 0024 | Tube agglutination | Agglutination, Tube 
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 | 1 | 0025 | Bioassay | Bioassay 
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 | 1 | 0026 | Animal Inoculation | Bioassay, Animal Inoculation 
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 | 1 | 0027 | Cytotoxicity | Bioassay, Cytotoxicity 
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 | 1 | 0028 | Embryo infective dose 50 | Bioassay, Embryo Infective Dose 50 
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 | 1 | 0029 | Embryo lethal dose 50 | Bioassay, Embryo Lethal Dose 50 
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 | 1 | 0030 | Mouse intercerebral inoculation | Bioassay, Mouse intercerebral inoculation 
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 | 1 | 0031 | Bioassay, qualitative | Bioassay, qualitative 
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 | 1 | 0032 | Bioassay, quantitative | Bioassay, quantitative 
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 | 1 | 0033 | Chemical method | Chemical 
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 | 1 | 0034 | Differential light absorption chemical test | Chemical, Differential light absorption 
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 | 1 | 0035 | Dipstick | Chemical, Dipstick 
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 | 1 | 0036 | Dipstick colorimetric laboratory test | Chemical, Dipstick colorimetric laboratory test 
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 | 1 | 0037 | Test strip | Chemical, Test strip 
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 | 1 | 0038 | Chromatography | Chromatography 
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 | 1 | 0039 | Affinity chromatography | Chromatography, Affinity 
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 | 1 | 0040 | Gas liquid chromatography | Chromatography, Gas liquid 
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 | 1 | 0041 | High performance liquid chromatography | Chromatography, High performance liquid 
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 | 1 | 0042 | Liquid Chromatography | Chromatography, Liquid 
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 | 1 | 0043 | Protein A affinity chromatography | Chromatography, Protein A affinity 
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 | 1 | 0044 | Coagulation | Coagulation 
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 | 1 | 0045 | Tilt tube coagulation time | Coagulation, Tilt tube 
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 | 1 | 0046 | Tilt tube reptilase induced coagulation | Coagulation, Tilt tube reptilase induced 
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 | 1 | 0047 | Automated count | Count, Automated 
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 | 1 | 0048 | Manual cell count | Count, Manual 
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 | 1 | 0049 | Platelet count, Rees-Ecker | Count, Platelet, Rees-Ecker 
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 | 1 | 0050 | Aerobic Culture | Culture, Aerobic 
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 | 1 | 0051 | Anaerobic Culture | Culture, Anaerobic 
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 | 1 | 0052 | Chicken embryo culture | Culture, Chicken Embryo 
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 | 1 | 0053 | Delayed secondary enrichment | Culture, Delayed secondary enrichment 
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 | 1 | 0054 | Microaerophilic Culture | Culture, Microaerophilic 
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 | 1 | 0055 | Quantitative microbial culture, cup | Culture, Quantitative microbial, cup 
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 | 1 | 0056 | Quantitative microbial culture, droplet | Culture, Quantitative microbial, droplet 
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 | 1 | 0057 | Quantitative microbial culture, filter paper | Culture, Quantitative microbial, filter paper 
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 | 1 | 0058 | Quantitative microbial culture, pad culture | Culture, Quantitative microbial, pad 
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 | 1 | 0059 | Quantitative microbial culture, pour plate | Culture, Quantitative microbial, pour plate 
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 | 1 | 0060 | Quantitative microbial culture, surface streak | Culture, Quantitative microbial, surface streak 
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 | 1 | 0061 | Somatic Cell culture | Culture, Somatic Cell 
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 | 1 | 0062 | Agar diffusion | Diffusion, Agar 
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 | 1 | 0063 | Agar Gel Immunodiffusion | Diffusion, Agar Gel Immunodiffusion 
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 | 1 | 0064 | Electrophoresis | Electrophoresis 
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 | 1 | 0065 | Agaorse gel electrophoresis | Electrophoresis, Agaorse gel 
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 | 1 | 0066 | Electrophoresis, citrate agar | Electrophoresis, citrate agar 
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 | 1 | 0067 | Immunoelectrophoresis | Electrophoresis, Immuno 
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 | 1 | 0068 | Polyacrylamide gel electrophoresis | Electrophoresis, Polyacrylamide gel 
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 | 1 | 0069 | Starch gel electrophoresis | Electrophoresis, Starch gel 
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 | 1 | 0070 | ELISA | ELISA 
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 | 1 | 0071 | ELISA, antigen capture | ELISA, antigen capture 
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 | 1 | 0072 | ELISA, avidin biotin peroxidase complex | ELISA, avidin biotin peroxidase complex 
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 | 1 | 0073 | Kinetic ELISA | ELISA, Kinetic 
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 | 1 | 0074 | ELISA, peroxidase-antiperoxidase | ELISA, peroxidase-antiperoxidase 
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 | 1 | 0075 | API 20 Strep | Identification, API 20 Strep 
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 | 1 | 0076 | API 20A | Identification, API 20A 
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 | 1 | 0077 | API 20C AUX | Identification, API 20C AUX 
 | 
 | 1 | 0078 | API 20E | Identification, API 20E 
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 | 1 | 0079 | API 20NE | Identification, API 20NE 
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 | 1 | 0080 | API 50 CH | Identification, API 50 CH 
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 | 1 | 0081 | API An-IDENT | Identification, API An-IDENT 
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 | 1 | 0082 | API Coryne | Identification, API Coryne 
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 | 1 | 0083 | API Rapid 20E | Identification, API Rapid 20E 
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 | 1 | 0084 | API Staph | Identification, API Staph 
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 | 1 | 0085 | API ZYM | Identification, API ZYM 
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 | 1 | 0086 | Bacterial identification | Identification, Bacterial 
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 | 1 | 0087 | mini VIDAS | Identification, mini VIDAS 
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 | 1 | 0088 | Phage susceptibility typing | Identification, Phage susceptibility typing 
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 | 1 | 0089 | Quad-FERM+ | Identification, Quad-FERM+ 
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 | 1 | 0090 | RAPIDEC Staph | Identification, RAPIDEC Staph 
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 | 1 | 0091 | Staphaurex | Identification, Staphaurex 
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 | 1 | 0092 | VIDAS | Identification, VIDAS 
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 | 1 | 0093 | Vitek | Identification, Vitek 
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 | 1 | 0094 | VITEK 2 | Identification, VITEK 2 
 | 
 | 1 | 0095 | Immune stain | Immune stain 
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 | 1 | 0096 | Immunofluorescent antibody, direct | Immune stain, Immunofluorescent antibody, direct 
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 | 1 | 0097 | Immunofluorescent antibody, indirect | Immune stain, Immunofluorescent antibody, indirect 
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 | 1 | 0098 | Immunoperoxidase, Avidin-Biotin Complex | Immune stain, Immunoperoxidase, Avidin-Biotin Complex 
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 | 1 | 0099 | Immunoperoxidase, Peroxidase anti-peroxidase complex | Immune stain, Immunoperoxidase, Peroxidase anti-peroxidase complex 
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 | 1 | 0100 | Immunoperoxidase, Protein A-peroxidase complex | Immune stain, Immunoperoxidase, Protein A-peroxidase complex 
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 | 1 | 0101 | Immunoassay | Immunoassay 
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 | 1 | 0102 | Immunoassay, qualitative, multiple step | Immunoassay, qualitative, multiple step 
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 | 1 | 0103 | Immunoassay, qualitative, single step | Immunoassay, qualitative, single step 
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 | 1 | 0104 | Radioimmunoassay | Immunoassay, Radioimmunoassay 
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 | 1 | 0105 | Immunoassay, semi-quantitative, multiple step | Immunoassay, semi-quantitative, multiple step 
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 | 1 | 0106 | Immunoassay, semi-quantitative, single step | Immunoassay, semi-quantitative, single step 
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 | 1 | 0107 | Microscopy | Microscopy 
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 | 1 | 0108 | Darkfield microscopy | Microscopy, Darkfield 
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 | 1 | 0109 | Electron microscopy | Microscopy, Electron 
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 | 1 | 0110 | Electron microscopy tomography | Microscopy, Electron microscopy tomography 
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 | 1 | 0111 | Electron microscopy, negative stain | Microscopy, Electron, negative stain 
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 | 1 | 0112 | Electron microscopy, thick section | Microscopy, Electron, thick section transmission 
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 | 1 | 0113 | Electron microscopy, thin section | Microscopy, Electron, thin section transmission 
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 | 1 | 0114 | Microscopy, Light | Microscopy, Light 
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 | 1 | 0115 | Polarizing light microscopy | Microscopy, Polarized light 
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 | 1 | 0116 | Scanning electron microscopy | Microscopy, Scanning electron 
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 | 1 | 0117 | Transmission electron microscopy | Microscopy, Transmission electron 
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 | 1 | 0118 | Transparent tape direct examination | Microscopy, Transparent tape direct examination 
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 | 1 | 0119 | 3 Self-Sustaining Sequence Replication | Molecular, 3 Self-Sustaining Sequence Replication 
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 | 1 | 0120 | Branched Chain DNA | Molecular, Branched Chain DNA 
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 | 1 | 0121 | Hybridization Protection Assay | Molecular, Hybridization Protection Assay 
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 | 1 | 0122 | Immune blot | Molecular, Immune blot 
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 | 1 | 0123 | In-situ hybridization | Molecular, In-situ hybridization 
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 | 1 | 0124 | Ligase Chain Reaction | Molecular, Ligase Chain Reaction 
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 | 1 | 0125 | Ligation Activated Transcription | Molecular, Ligation Activated Transcription 
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 | 1 | 0126 | Nucleic Acid Probe | Molecular, Nucleic Acid Probe 
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 | 1 | 0128 | Nucleic acid probe with amplification | Molecular, Nucleic acid probe with amplification 
 Rationale: Duplicate of code 0126. Use code 0126 instead.
 | 
 | 1 | 0129 | Nucleic acid probe with target amplification | Molecular, Nucleic acid probe with target amplification 
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 | 1 | 0130 | Nucleic acid reverse transcription | Molecular, Nucleic acid reverse transcription 
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 | 1 | 0131 | Nucleic Acid Sequence Based Analysis | Molecular, Nucleic Acid Sequence Based Analysis 
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 | 1 | 0132 | Polymerase chain reaction | Molecular, Polymerase chain reaction 
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 | 1 | 0133 | Q-Beta Replicase or probe amplification category method | Molecular, Q-Beta Replicase or probe amplification category method 
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 | 1 | 0134 | Restriction Fragment Length Polymorphism | Molecular, Restriction Fragment Length Polymorphism 
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 | 1 | 0135 | Southern Blot | Molecular, Southern Blot 
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 | 1 | 0136 | Strand Displacement Amplification | Molecular, Strand Displacement Amplification 
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 | 1 | 0137 | Transcription Mediated Amplification | Molecular, Transcription Mediated Amplification 
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 | 1 | 0138 | Western Blot | Molecular, Western Blot 
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 | 1 | 0139 | Flocculation | Precipitation, Flocculation 
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 | 1 | 0140 | Immune precipitation | Precipitation, Immune precipitation 
 | 
 | 1 | 0141 | Milk ring test | Precipitation, Milk ring test 
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 | 1 | 0142 | Precipitin | Precipitation, Precipitin 
 | 
 | 1 | 0143 | Acid fast stain | Stain, Acid fast 
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 | 1 | 0144 | Acid fast stain, fluorochrome | Stain, Acid fast, fluorochrome 
 | 
 | 1 | 0145 | Acid fast stain, Kinyoun's cold carbolfuchsin | Stain, Acid fast, Kinyoun's cold carbolfuchsin 
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 | 1 | 0146 | Acid fast stain, Ziehl-Neelsen | Stain, Acid fast, Ziehl-Neelsen 
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 | 1 | 0147 | Acid phosphatase stain | Stain, Acid phosphatase 
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 | 1 | 0148 | Acridine orange stain | Stain, Acridine orange 
 | 
 | 1 | 0149 | Active brilliant orange KH stain | Stain, Active brilliant orange KH 
 | 
 | 1 | 0150 | Alazarin red S stain | Stain, Alazarin red S 
 | 
 | 1 | 0151 | Alcian blue stain | Stain, Alcian blue 
 | 
 | 1 | 0152 | Alcian blue with Periodic acid Schiff stain | Stain, Alcian blue with Periodic acid Schiff 
 | 
 | 1 | 0153 | Argentaffin stain | Stain, Argentaffin 
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 | 1 | 0154 | Argentaffin silver stain | Stain, Argentaffin silver 
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 | 1 | 0155 | Azure-eosin stain | Stain, Azure-eosin 
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 | 1 | 0156 | Basic Fuschin stain | Stain, Basic Fuschin 
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 | 1 | 0157 | Bennhold stain | Stain, Bennhold 
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 | 1 | 0158 | Bennhold's Congo red stain | Stain, Bennhold's Congo red 
 | 
 | 1 | 0159 | Bielschowsky stain | Stain, Bielschowsky 
 | 
 | 1 | 0160 | Bielschowsky's silver stain | Stain, Bielschowsky's silver 
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 | 1 | 0161 | Bleach stain | Stain, Bleach 
 | 
 | 1 | 0162 | Bodian stain | Stain, Bodian 
 | 
 | 1 | 0163 | Brown-Brenn stain | Stain, Brown-Brenn 
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 | 1 | 0164 | Butyrate-esterase stain | Stain, Butyrate-esterase 
 | 
 | 1 | 0165 | Calcofluor white fluorescent stain | Stain, Calcofluor white fluorescent 
 | 
 | 1 | 0166 | Carbol-fuchsin stain | Stain, Carbol-fuchsin 
 | 
 | 1 | 0167 | Carmine stain | Stain, Carmine 
 | 
 | 1 | 0168 | Churukian-Schenk stain | Stain, Churukian-Schenk 
 | 
 | 1 | 0169 | Congo red stain | Stain, Congo red 
 | 
 | 1 | 0170 | Cresyl echt violet stain | Stain, Cresyl echt violet 
 | 
 | 1 | 0171 | Crystal violet stain | Stain, Crystal violet 
 | 
 | 1 | 0172 | De Galantha stain | Stain, De Galantha 
 | 
 | 1 | 0173 | Dieterle silver impregnation stain | Stain, Dieterle silver impregnation 
 | 
 | 1 | 0174 | Fite-Farco stain | Stain, Fite-Farco 
 | 
 | 1 | 0175 | Fontana-Masson silver stain | Stain, Fontana-Masson silver 
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 | 1 | 0176 | Fouchet stain | Stain, Fouchet 
 | 
 | 1 | 0177 | Gomori stain | Stain, Gomori 
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 | 1 | 0178 | Gomori methenamine silver stain | Stain, Gomori methenamine silver 
 | 
 | 1 | 0179 | Gomori-Wheatly trichrome stain | Stain, Gomori-Wheatly trichrome 
 | 
 | 1 | 0180 | Gridley stain | Stain, Gridley 
 | 
 | 1 | 0181 | Grimelius silver stain | Stain, Grimelius silver 
 | 
 | 1 | 0182 | Grocott stain | Stain, Grocott 
 | 
 | 1 | 0183 | Grocott methenamine silver stain | Stain, Grocott methenamine silver 
 | 
 | 1 | 0184 | Hale's colloidal ferric oxide stain | Stain, Hale's colloidal ferric oxide 
 | 
 | 1 | 0185 | Hale's colloidal iron stain | Stain, Hale's colloidal iron 
 | 
 | 1 | 0186 | Hansel stain | Stain, Hansel 
 | 
 | 1 | 0187 | Harris regressive hematoxylin and eosin stain | Stain, Harris regressive hematoxylin and eosin 
 | 
 | 1 | 0188 | Hematoxylin and eosin stain | Stain, Hematoxylin and eosin 
 | 
 | 1 | 0189 | Highman stain | Stain, Highman 
 | 
 | 1 | 0190 | Holzer stain | Stain, Holzer 
 | 
 | 1 | 0191 | Iron hematoxylin stain | Stain, Iron hematoxylin 
 | 
 | 1 | 0192 | Jones stain | Stain, Jones 
 | 
 | 1 | 0193 | Jones methenamine silver stain | Stain, Jones methenamine silver 
 | 
 | 1 | 0194 | Kossa stain | Stain, Kossa 
 | 
 | 1 | 0195 | Lawson-Van Gieson stain | Stain, Lawson-Van Gieson 
 | 
 | 1 | 0196 | Loeffler methylene blue stain | Stain, Loeffler methylene blue 
 | 
 | 1 | 0197 | Luxol fast blue with cresyl violet stain | Stain, Luxol fast blue with cresyl violet 
 | 
 | 1 | 0198 | Luxol fast blue with Periodic acid-Schiff stain | Stain, Luxol fast blue with Periodic acid-Schiff 
 | 
 | 1 | 0199 | MacNeal's tetrachrome blood stain | Stain, MacNeal's tetrachrome blood 
 | 
 | 1 | 0200 | Mallory-Heidenhain stain | Stain, Mallory-Heidenhain 
 | 
 | 1 | 0201 | Masson trichrome stain | Stain, Masson trichrome 
 | 
 | 1 | 0202 | Mayer mucicarmine stain | Stain, Mayer mucicarmine 
 | 
 | 1 | 0203 | Mayers progressive hematoxylin and eosin stain | Stain, Mayers progressive hematoxylin and eosin 
 | 
 | 1 | 0204 | May-Grunwald Giemsa stain | Stain, May-Grunwald Giemsa 
 | 
 | 1 | 0205 | Methyl green stain | Stain, Methyl green 
 | 
 | 1 | 0206 | Methyl green pyronin stain | Stain, Methyl green pyronin 
 | 
 | 1 | 0207 | Modified Gomori-Wheatly trichrome stain | Stain, Modified Gomori-Wheatly trichrome 
 | 
 | 1 | 0208 | Modified Masson trichrome stain | Stain, Modified Masson trichrome 
 | 
 | 1 | 0209 | Modified trichrome stain | Stain, Modified trichrome 
 | 
 | 1 | 0210 | Movat pentachrome stain | Stain, Movat pentachrome 
 | 
 | 1 | 0211 | Mucicarmine stain | Stain, Mucicarmine 
 | 
 | 1 | 0212 | Neutral red stain | Stain, Neutral red 
 | 
 | 1 | 0213 | Night blue stain | Stain, Night blue 
 | 
 | 1 | 0214 | Non-specific esterase stain | Stain, Non-specific esterase 
 | 
 | 1 | 0215 | Oil red-O stain | Stain, Oil red-O 
 | 
 | 1 | 0216 | Orcein stain | Stain, Orcein 
 | 
 | 1 | 0217 | Perls' stain | Stain, Perls' 
 | 
 | 1 | 0218 | Phosphotungstic acid-hematoxylin stain | Stain, Phosphotungstic acid-hematoxylin 
 | 
 | 1 | 0219 | Potassium ferrocyanide stain | Stain, Potassium ferrocyanide 
 | 
 | 1 | 0220 | Prussian blue stain | Stain, Prussian blue 
 | 
 | 1 | 0221 | Putchler modified Bennhold stain | Stain, Putchler modified Bennhold 
 | 
 | 1 | 0222 | Quinacrine fluorescent stain | Stain, Quinacrine fluorescent 
 | 
 | 1 | 0223 | Reticulin stain | Stain, Reticulin 
 | 
 | 1 | 0224 | Rhodamine stain | Stain, Rhodamine 
 | 
 | 1 | 0225 | Safranin stain | Stain, Safranin 
 | 
 | 1 | 0226 | Schmorl stain | Stain, Schmorl 
 | 
 | 1 | 0227 | Seiver-Munger stain | Stain, Seiver-Munger 
 | 
 | 1 | 0228 | Silver stain | Stain, Silver 
 | 
 | 1 | 0229 | Specific esterase stain | Stain, Specific esterase 
 | 
 | 1 | 0230 | Steiner silver stain | Stain, Steiner silver 
 | 
 | 1 | 0231 | Sudan III stain | Stain, Sudan III 
 | 
 | 1 | 0232 | Sudan IVI stain | Stain, Sudan IVI 
 | 
 | 1 | 0233 | Sulfated alcian blue stain | Stain, Sulfated alcian blue 
 | 
 | 1 | 0234 | Supravital stain | Stain, Supravital 
 | 
 | 1 | 0235 | Thioflavine-S stain | Stain, Thioflavine-S 
 | 
 | 1 | 0236 | Three micron Giemsa stain | Stain, Three micron Giemsa 
 | 
 | 1 | 0237 | Vassar-Culling stain | Stain, Vassar-Culling 
 | 
 | 1 | 0238 | Vital Stain | Stain, Vital 
 | 
 | 1 | 0239 | von Kossa stain | Stain, von Kossa 
 | 
 | 1 | 0243 | Minimum bactericidal concentration test, macrodilution | Susceptibility, Minimum bactericidal concentration, macrodilution 
 | 
 | 1 | 0244 | Minimum bactericidal concentration test, microdilution | Susceptibility, Minimum bactericidal concentration, microdilution 
 | 
 | 1 | 0247 | Turbidometric | Turbidometric 
 | 
 | 1 | 0248 | Refractometric | Turbidometric, Refractometric 
 | 
 | 1 | 0249 | Thin layer chromatography (TLC) | Chromatography, Thin Layer 
 | 
 | 1 | 0250 | EMIT | Immunoassay, enzyme-multiplied technique (EMIT) 
 | 
 | 1 | 0251 | Flow cytometry (FC) | Flow Cytometry 
 | 
 | 1 | 0252 | Radial immunodiffusion (RID) | Radial Immunodiffusion 
 | 
 | 1 | 0253 | Fluorescence polarization immunoassay (FPIA) | Immunoassay, Fluorescence Polarization 
 | 
 | 1 | 0254 | Immunofixation electrophoresis (IFE) | Electrophoresis, Immunofixation 
 | 
 | 1 | 0255 | Equilibrium dialysis | Dialysis, Direct Equilibrium 
 | 
 | 1 | 0256 | Kleihauer-Betke acid elution | Acid Elution, Kleihauer-Betke Method 
 | 
 | 1 | 0257 | Anti-complement immunofluorescence (ACIF) | Immunofluorescence, Anti-Complement 
 | 
 | 1 | 0258 | GC/MS | Gas Chromatography/Mass Spectroscopy 
 | 
 | 1 | 0259 | Nephelometry | Light Scatter, Nephelometry 
 | 
 | 1 | 0260 | IgE immunoassay antibody | Immunoassay, IgE Antibody Test 
 | 
 | 1 | 0261 | Lymphocyte Microcytotoxicity Assay | Lymphocyte Microcytotoxicity Assay 
 | 
 | 1 | 0262 | Spectrophotometry | Spectrophotometry 
 | 
 | 1 | 0263 | Atomic absorption spectrophotometry (AAS) | Spectrophotometry, Atomic Absorption 
 | 
 | 1 | 0264 | Ion selective electrode (ISE) | Electrochemical, Ion Selective Electrode 
 | 
 | 1 | 0265 | Gas chromatography (GC) | Chromatography, Gas 
 | 
 | 1 | 0266 | Isoelectric focusing (IEF) | Isoelectric Focusing 
 | 
 | 1 | 0267 | Immunochemiluminescence | Immunoassay, Chemiluminescent 
 | 
 | 1 | 0268 | Microparticle enzyme immunoassay (MEIA) | Immunoassay, Microparticle Enzyme 
 | 
 | 1 | 0269 | ICP/MS | Inductively-Coupled Plasma/Mass Spectrometry 
 | 
 | 1 | 0270 | Immunoradiometric assay (IRMA) | Immunoassay, Immunoradiometric Assay 
 | 
 | 1 | 0271 | Photo optical clot detection | Coagulation, Photo Optical Clot Detection 
 | 
 | 1 | 0280 | Susceptibility Testing | Test methods designed to determine a microorganismaTMs susceptibility to being killed by an antibiotic. 
 | 
 | 2 | 0240 | Antibiotic sensitivity, disk | Susceptibility, Antibiotic sensitivity, disk 
 | 
 | 2 | 0241 | BACTEC susceptibility test | Susceptibility, BACTEC susceptibility test 
 | 
 | 2 | 0242 | Disk dilution | Susceptibility, Disk dilution 
 | 
 | 2 | 0272 | Minimum Inhibitory Concentration | Testing to measure the minimum concentration of the antibacterial agent in a given culture medium below which bacterial growth is not inhibited. 
 | 
 | 3 | 0245 | Minimum Inhibitory Concentration, macrodilution | Susceptibility, Minimum Inhibitory concentration, macrodilution 
 | 
 | 3 | 0246 | Minimum Inhibitory Concentration, microdilution | Susceptibility, Minimum Inhibitory concentration, microdilution 
 | 
 | 2 | 0273 | Viral Genotype Susceptibility |  | 
 | 2 | 0274 | Viral Phenotype Susceptibility |  | 
 | 2 | 0275 | Gradient Strip |  | 
 | 2 | 0275a | Minimum Lethal Concentration (MLC) |  | 
 | 2 | 0276 | Slow Mycobacteria Susceptibility | Testing to measure the minimum concentration of the antibacterial agent in a given culture medium below which bacterial growth is not inhibited. 
 | 
 | 2 | 0277 | Serum bactericidal titer |  | 
 | 2 | 0278 | Agar screen |  | 
 | 2 | 0279 | Disk induction |  | 
 | 1 | 0127 | Nucleic acid probe | Molecular, Nucleic acid probe 
 |