| Code | Description | Version |
| ABS | Absorbance | added v2.3 |
| ACNC | Concentration, Arbitrary Substance | added v2.3 |
| ACT | Activity | added v2.3 |
| APER | Appearance | added v2.3 |
| ARB | Arbitrary | added v2.3 |
| AREA | Area | added v2.3 |
| ASPECT | Aspect | added v2.3 |
| CACT | Catalytic Activity | added v2.3 |
| CCNT | Catalytic Content | added v2.3 |
| CCRTO | Catalytic Concentration Ratio | added v2.3 |
| CFR | Catalytic Fraction | added v2.3 |
| CLAS | Class | added v2.3 |
| CNC | Catalytic Concentration | added v2.3 |
| CNST | Constant | added v2.3 |
| COEF | Coefficient | added v2.3 |
| COLOR | Color | added v2.3 |
| CONS | Consistency | added v2.3 |
| CRAT | Catalytic Rate | added v2.3 |
| CRTO | Catalytic Ratio | added v2.3 |
| DEN | Density | added v2.3 |
| DEV | Device | added v2.3 |
| DIFF | Difference | added v2.3 |
| ELAS | Elasticity | added v2.3 |
| ELPOT | Electrical Potential (Voltage) | added v2.3 |
| ELRAT | Electrical current (amperage) | added v2.3 |
| ELRES | Electrical Resistance | added v2.3 |
| ENGR | Energy | added v2.3 |
| ENT | Entitic | added v2.3 |
| ENTCAT | Entitic Catalytic Activity | added v2.3 |
| ENTNUM | Entitic Number | added v2.3 |
| ENTSUB | Entitic Substance of Amount | added v2.3 |
| ENTVOL | Entitic Volume | added v2.3 |
| EQL | Equilibrium | added v2.3 |
| FORCE | Mechanical force | added v2.3 |
| FREQ | Frequency | added v2.3 |
| IMP | Impression/ interpretation of study | added v2.3 |
| KINV | Kinematic Viscosity | added v2.3 |
| LEN | Length | added v2.3 |
| LINC | Length Increment | added v2.3 |
| LIQ | Liquefaction | added v2.3 |
| MASS | Mass | added v2.3 |
| MCNC | Mass Concentration | added v2.3 |
| MCNT | Mass Content | added v2.3 |
| MCRTO | Mass Concentration Ratio | added v2.3 |
| MFR | Mass Fraction | added v2.3 |
| MGFLUX | Magnetic flux | added v2.3 |
| MINC | Mass Increment | added v2.3 |
| MORPH | Morphology | added v2.3 |
| MOTIL | Motility | added v2.3 |
| MRAT | Mass Rate | added v2.3 |
| MRTO | Mass Ratio | added v2.3 |
| NCNC | Number Concentration | added v2.3 |
| NCNT | Number Content | added v2.3 |
| NFR | Number Fraction | added v2.3 |
| NRTO | Number Ratio | added v2.3 |
| NUM | Number | added v2.3 |
| OD | Optical density | added v2.3 |
| OSMOL | Osmolality | added v2.3 |
| PRES | Pressure (Partial) | added v2.3 |
| PRID | Presence/Identity/Existence | added v2.3 |
| PWR | Power (wattage) | added v2.3 |
| RANGE | Ranges | added v2.3 |
| RATIO | Ratios | added v2.3 |
| RCRLTM | Reciprocal Relative Time | added v2.3 |
| RDEN | Relative Density | added v2.3 |
| REL | Relative | added v2.3 |
| RLMCNC | Relative Mass Concentration | added v2.3 |
| RLSCNC | Relative Substance Concentration | added v2.3 |
| RLTM | Relative Time | added v2.3 |
| SATFR | Saturation Fraction | added v2.3 |
| SCNC | Substance Concentration | added v2.3 |
| SCNCIN | Substance Concentration Increment | added v2.3 |
| SCNT | Substance Content | added v2.3 |
| SCNTR | Substance Content Rate | added v2.3 |
| SCRTO | Substance Concentration Ratio | added v2.3 |
| SFR | Substance Fraction | added v2.3 |
| SHAPE | Shape | added v2.3 |
| SMELL | Smell | added v2.3 |
| SRAT | Substance Rate | added v2.3 |
| SRTO | Substance Ratio | added v2.3 |
| SUB | Substance Amount | added v2.3 |
| SUSC | Susceptibility | added v2.3 |
| TASTE | Taste | added v2.3 |
| TEMP | Temperature | added v2.3 |
| TEMPDF | Temperature Difference | added v2.3 |
| TEMPIN | Temperature Increment | added v2.3 |
| THRMCNC | Threshold Mass Concentration | added v2.3 |
| THRSCNC | Threshold Substance Concentration | added v2.3 |
| TIME | Time (e.g. seconds) | added v2.3 |
| TITR | Dilution Factor (Titer) | added v2.3 |
| TMDF | Time Difference | added v2.3 |
| TMSTP | Time Stamp-Date and Time | added v2.3 |
| TRTO | Time Ratio | added v2.3 |
| TYPE | Type | added v2.3 |
| VCNT | Volume Content | added v2.3 |
| VEL | Velocity | added v2.3 |
| VELRT | Velocity Ratio | added v2.3 |
| VFR | Volume Fraction | added v2.3 |
| VISC | Viscosity | added v2.3 |
| VOL | Volume | added v2.3 |
| VRAT | Volume Rate | added v2.3 |
| VRTO | Volume Ratio | added v2.3 |