| Code | Description | Version |
| 99zzz | Local general code where z is an alphanumeric character | added v2.7 |
| 99zzz or L | Local general code (where z is an alphanumeric character) | added v2.4, removed after v2.6 |
| ACR | American College of Radiology finding codes | added v2.4 |
| ALPHAID2006 | German Alpha-ID v2006 | added v2.6 |
| ALPHAID2007 | German Alpha-ID v2007 | added v2.6 |
| ALPHAID2008 | German Alpha-ID v2008 | added v2.6 |
| ALPHAID2009 | German Alpha-ID v2009 | added v2.7 |
| ALPHAID2010 | German Alpha-ID v2010 | added v2.7 |
| ALPHAID2011 | German Alpha-ID v2011 | added v2.7 |
| ANS+ | HL7 set of units of measure | added v2.5 |
| ART | WHO Adverse Reaction Terms | added v2.4 |
| AS4 | ASTM E1238/ E1467 Universal | added v2.4 |
| AS4E | AS4 Neurophysiology Codes | added v2.4 |
| ATC | American Type Culture Collection | added v2.4 |
| C4 | CPT-4 | added v2.4 |
| C5 | CPT-5 | added v2.4, removed after v2.6 |
| CAPECC | College of American Pathologists Electronic Cancer Checklist | added v2.7 |
| CAS | Chemical abstract codes | added v2.4 |
| CCC | Clinical Care Classification system | added v2.6 |
| CD2 | CDT-2 Codes | added v2.4 |
| CDCA | CDC Analyte Codes | added v2.4 |
| CDCEDACUITY | CDC Emergency Department Acuity | added v2.7 |
| CDCM | CDC Methods/Instruments Codes | added v2.4 |
| CDCOBS | CDC BioSense RT observations (Census) - CDC | added v2.7 |
| CDCPHINVS | CDC PHIN Vocabulary Coding System | added v2.7 |
| CDCREC | Race & Ethnicity - CDC | added v2.7 |
| CDS | CDC Surveillance | added v2.4 |
| CE | CEN ECG diagnostic codes | added v2.4, removed after v2.5.1 |
| CE (obsolete) | CEN ECG diagnostic codes | added v2.6 |
| CLP | CLIP | added v2.4 |
| CPTM | CPT Modifier Code | added v2.4 |
| CST | COSTART | added v2.4 |
| CVX | CDC Vaccine Codes | added v2.4 |
| DCL | DICOM Class Label | added v2.4, removed after v2.4 |
| DCM | DICOM Controlled Terminology | added v2.4 |
| DQL | DICOM Query Label | added v2.4, removed after v2.4 |
| E | EUCLIDES | added v2.4 |
| E5 | Euclides quantity codes | added v2.4 |
| E6 | Euclides Lab method codes | added v2.4 |
| E7 | Euclides Lab equipment codes | added v2.4 |
| ENZC | Enzyme Codes | added v2.4 |
| EPASRS | EPA SRS | added v2.7 |
| FDAUDI | FDA Unique Device Identifier | added v2.8.2 |
| FDAUNII | Unique Ingredient Identifier (UNII) | added v2.7 |
| FDDC | First DataBank Drug Codes | added v2.4 |
| FDDX | First DataBank Diagnostic Codes | added v2.4 |
| FDK | FDA K10 | added v2.4 |
| FIPS5_2 | FIPS 5-2 (State) | added v2.7 |
| FIPS6_4 | FIPS 6-4 (County) | added v2.7 |
| GDRG2004 | G-DRG German DRG Codes v2004 | added v2.6 |
| GDRG2005 | G-DRG German DRG Codes v2005 | added v2.6 |
| GDRG2006 | G-DRG German DRG Codes v2006 | added v2.6 |
| GDRG2007 | G-DRG German DRG Codes v2007 | added v2.6 |
| GDRG2008 | G-DRG German DRG Codes v2008 | added v2.6 |
| GDRG2009 | G-DRG German DRG Codes v2009 | added v2.7 |
| GMDC2004 | German Major Diagnostic Codes v2004 | added v2.6 |
| GMDC2005 | German Major Diagnostic Codes v2005 | added v2.6 |
| GMDC2006 | German Major Diagnostic Codes v2006 | added v2.6 |
| GMDC2007 | German Major Diagnostic Codes v2007 | added v2.6 |
| GMDC2008 | German Major Diagnostic Codes v2008 | added v2.6 |
| GMDC2009 | German Major Diagnostic Codes v2009 | added v2.7 |
| GS1UDI | GS1 Unique Device Identifier | added v2.8.2 |
| General code | Active | added v2.7.1, removed after v2.7.1 |
| HB | HIBCC | added v2.4 |
| HCPCS | CMS (formerly HCFA) Common Procedure Coding System | added v2.4 |
| HCPT | Health Care Provider Taxonomy | added v2.5 |
| HHC | Home Health Care | added v2.4 |
| HI | Health Outcomes | added v2.4 |
| HIBUDI | HIBCC Unique Device Identifier | added v2.8.2 |
| HL7nnnn | HL7 Defined Codes where nnnn is the HL7 table number | added v2.4 |
| HOT | Japanese Nationwide Medicine Code | added v2.5 |
| HPC | CMS (formerly HCFA )Procedure Codes (HCPCS) | added v2.4 |
| I10 | ICD-10 | added v2.4 |
| I10G2004 | ICD 10 Germany 2004 | added v2.6 |
| I10G2005 | ICD 10 Germany 2005 | added v2.6 |
| I10G2006 | ICD 10 Germany 2006 | added v2.6 |
| I10P | ICD-10 Procedure Codes | added v2.4 |
| I9 | ICD9 | added v2.4 |
| I9C | ICD-9CM | added v2.4 |
| I9CDX | ICD-9CM Diagnosis codes | added v2.6 |
| I9CP | ICD-9CM Procedure codes | added v2.6 |
| IBT | ISBT | added v2.4 |
| IBTnnnn | ISBT 128 codes where nnnn specifies a specific table within ISBT 128. | added v2.5 |
| IC2 | ICHPPC-2 | added v2.4 |
| ICCUDI | ICCBBA Unique Device Identifier | added v2.8.2 |
| ICD10AM | ICD-10 Australian modification | added v2.5 |
| ICD10CA | ICD-10 Canada | added v2.5 |
| ICD10GM2007 | ICD 10 Germany v2007 | added v2.6 |
| ICD10GM2008 | ICD 10 Germany v2008 | added v2.6 |
| ICD10GM2009 | ICD 10 Germany v2009 | added v2.7 |
| ICD10GM2010 | ICD 10 Germany v2010 | added v2.7 |
| ICD10GM2011 | ICD 10 Germany v2011 | added v2.7 |
| ICDO | International Classification of Diseases for Oncology | added v2.4 |
| ICDO2 | International Classification of Disease for Oncology Second Edition | added v2.7 |
| ICDO3 | International Classification of Disease for Oncology Third Edition | added v2.7 |
| ICS | ICCS | added v2.4 |
| ICSD | International Classification of Sleep Disorders | added v2.4 |
| ISO | ISO 2955.83 (units of measure) with HL7 extensions | added v2.7 |
| ISO+ | ISO 2955.83 (units of measure) with HL7 extensions | added v2.5, removed after v2.6 |
| ISO3166_1 | ISO 3166-1 Country Codes | added v2.7 |
| ISO3166_2 | ISO 3166-2 Country subdivisions | added v2.7 |
| ISO4217 | ISO4217 Currency Codes | added v2.7 |
| ISO639 | ISO 639 Language | added v2.7 |
| ISOnnnn | ISO Defined Codes where nnnn is the ISO table number | added v2.4, removed after v2.6 |
| ISOnnnn (deprecated) | ISO Defined Codes where nnnn is the ISO table number | added v2.7 |
| ITIS | Integrated Taxonomic Information System | added v2.6 |
| IUPC | IUPAC/IFCC Component Codes | added v2.4 |
| IUPP | IUPAC/IFCC Property Codes | added v2.4 |
| JC10 | JLAC/JSLM, nationwide laboratory code | added v2.5 |
| JC8 | Japanese Chemistry | added v2.4 |
| JJ1017 | Japanese Image Examination Cache | added v2.5 |
| L | Local general code | added v2.7 |
| LB | Local billing code | added v2.4 |
| LN | Logical Observation Identifier Names and Codes (LOINC®) | added v2.4 |
| MCD | Medicaid | added v2.4 |
| MCR | Medicare | added v2.4 |
| MDC | Medical Device Communication | added v2.6 |
| MDDX | Medispan Diagnostic Codes | added v2.4 |
| MEDC | Medical Economics Drug Codes | added v2.4 |
| MEDR | Medical Dictionary for Drug Regulatory Affairs (MEDDRA) | added v2.4 |
| MEDX | Medical Economics Diagnostic Codes | added v2.4 |
| MGPI | Medispan GPI | added v2.4 |
| MVX | CDC Vaccine Manufacturer Codes | added v2.4 |
| NAICS | Industry (NAICS) | added v2.7 |
| NCPDPnnnnsss | NCPDP code list for data element nnnn [as used in segment sss] | added v2.6 |
| NDA | NANDA | added v2.4 |
| NDC | National drug codes | added v2.4 |
| NDFRT | NDF-RT (Drug Classification) | added v2.7 |
| NIC | Nursing Interventions Classification | added v2.4 |
| NIP001 | Source of Information (Immunization) | added v2.7 |
| NIP002 | Substance refusal reason | added v2.7 |
| NIP004 | Vaccination - Contraindications, Precautions, and Immunities | added v2.7 |
| NIP007 | Vaccinated at location (facility) | added v2.7 |
| NIP008 | Vaccine purchased with (Type of funding) | added v2.7 |
| NIP009 | Reported adverse event previously | added v2.7 |
| NIP010 | VAERS Report type | added v2.7 |
| NND | Notifiable Event (Disease/Condition) Code List | added v2.7 |
| NPI | National Provider Identifier | added v2.4 |
| NUBC | National Uniform Billing Committee | added v2.5 |
| NULLFL | Null Flavor | added v2.7 |
| O301 | German Procedure Codes | added v2.6 |
| O3012004 | OPS Germany v2004 | added v2.6 |
| O3012005 | OPS Germany v2005 | added v2.6 |
| O3012006 | OPS Germany v2006 | added v2.6 |
| OHA | Omaha System | added v2.4 |
| OPS2007 | OPS Germany v2007 | added v2.6 |
| OPS2008 | OPS Germany v2008 | added v2.6 |
| OPS2009 | OPS Germany v2009 | added v2.7 |
| OPS2010 | OPS Germany v2010 | added v2.7 |
| OPS2011 | OPS Germany v2011 | added v2.7 |
| PHINQUESTION | CDC Public Health Information Network (PHIN) Question | added v2.7 |
| PLR | CDC PHLIP Lab result codes that are not covered in SNOMED at the time of this implementation | added v2.7 |
| PLT | CDC PHLIP Lab test codes, where LOINC concept is too broad or not yet available, especially as needed for ordering and or lab to lab reporting ) | added v2.7 |
| POS | POS Codes | added v2.4 |
| RC | Read Classification | added v2.4 |
| RXNORM | RxNorm | added v2.7 |
| SCT | SNOMED Clinical Terms | added v2.6 |
| SCT2 | SNOMED Clinical Terms alphanumeric codes | added v2.6 |
| SDM | SNOMED- DICOM Microglossary | added v2.4 |
| SIC | Industry (SIC) | added v2.7 |
| SNM | Systemized Nomenclature of Medicine (SNOMED) | added v2.4 |
| SNM3 | SNOMED International | added v2.4 |
| SNT | SNOMED topology codes (anatomic sites) | added v2.4 |
| SOC | Occupation (SOC 2000) | added v2.7 |
| UB04FL14 | Priority (Type) of Visit | added v2.6 |
| UB04FL15 | Point of Origin | added v2.6 |
| UB04FL17 | Patient Discharge Status | added v2.6 |
| UB04FL31 | Occurrence Code | added v2.7 |
| UB04FL35 | Occurrence Span | added v2.7 |
| UB04FL39 | Value Code | added v2.7 |
| UC | UCDS | added v2.4 |
| UCUM | UCUM code set for units of measure(from Regenstrief) | added v2.6 |
| UMD | MDNS | added v2.4 |
| UML | Unified Medical Language | added v2.4 |
| UPC | Universal Product Code | added v2.4 |
| UPIN | UPIN | added v2.4 |
| USPS | United States Postal Service | added v2.5 |
| W1 | WHO record # drug codes (6 digit) | added v2.4 |
| W2 | WHO record # drug codes (8 digit) | added v2.4 |
| W4 | WHO record # code with ASTM extension | added v2.4 |
| WC | WHO ATC | added v2.4 |
| X12DEnnnn | ASC X12 Code List nnnn | added v2.6, removed after v2.6 |
| X12Dennnn | ASC X12 Code List nnnn | added v2.7 |