| Code | Description | Version |
| ABS | Absorbance | added v2.3.1 |
| ACNC | Concentration, Arbitrary Substance | added v2.3.1 |
| ACT | *Activity | added v2.3.1 |
| APER | Appearance | added v2.3.1 |
| ARB | *Arbitrary | added v2.3.1 |
| AREA | Area | added v2.3.1 |
| ASPECT | Aspect | added v2.3.1 |
| CACT | *Catalytic Activity | added v2.3.1 |
| CCNT | *Catalytic Content | added v2.3.1 |
| CCRTO | Catalytic Concentration Ratio | added v2.3.1 |
| CFR | *Catalytic Fraction | added v2.3.1 |
| CLAS | Class | added v2.3.1 |
| CNC | *Catalytic Concentration | added v2.3.1 |
| CNST | *Constant | added v2.3.1 |
| COEF | *Coefficient | added v2.3.1 |
| COLOR | Color | added v2.3.1 |
| CONS | Consistency | added v2.3.1 |
| CRAT | *Catalytic Rate | added v2.3.1 |
| CRTO | Catalytic Ratio | added v2.3.1 |
| DEN | Density | added v2.3.1 |
| DEV | Device | added v2.3.1 |
| DIFF | *Difference | added v2.3.1 |
| ELAS | Elasticity | added v2.3.1 |
| ELPOT | Electrical Potential (Voltage) | added v2.3.1 |
| ELRAT | Electrical current (amperage) | added v2.3.1 |
| ELRES | Electrical Resistance | added v2.3.1 |
| ENGR | Energy | added v2.3.1 |
| ENT | *Entitic | added v2.3.1 |
| ENTCAT | *Entitic Catalytic Activity | added v2.3.1 |
| ENTNUM | *Entitic Number | added v2.3.1 |
| ENTSUB | *Entitic Substance of Amount | added v2.3.1 |
| ENTVOL | *Entitic Volume | added v2.3.1 |
| EQL | Equilibrium | added v2.3.1 |
| FORCE | Mechanical force | added v2.3.1 |
| FREQ | Frequency | added v2.3.1 |
| IMP | Impression/ interpretation of study | added v2.3.1 |
| KINV | *Kinematic Viscosity | added v2.3.1 |
| LEN | Length | added v2.3.1 |
| LINC | *Length Increment | added v2.3.1 |
| LIQ | *Liquefaction | added v2.3.1 |
| MASS | *Mass | added v2.3.1 |
| MCNC | *Mass Concentration | added v2.3.1 |
| MCNT | Mass Content | added v2.3.1 |
| MCRTO | *Mass Concentration Ratio | added v2.3.1 |
| MFR | *Mass Fraction | added v2.3.1 |
| MGFLUX | Magnetic flux | added v2.3.1 |
| MINC | *Mass Increment | added v2.3.1 |
| MORPH | Morphology | added v2.3.1 |
| MOTIL | Motility | added v2.3.1 |
| MRAT | *Mass Rate | added v2.3.1 |
| MRTO | *Mass Ratio | added v2.3.1 |
| NCNC | *Number Concentration | added v2.3.1 |
| NCNT | *Number Content | added v2.3.1 |
| NFR | *Number Fraction | added v2.3.1 |
| NRTO | *Number Ratio | added v2.3.1 |
| NUM | *Number | added v2.3.1 |
| OD | Optical density | added v2.3.1 |
| OSMOL | *Osmolality | added v2.3.1 |
| PRES | *Pressure (Partial) | added v2.3.1 |
| PRID | Presence/Identity/Existence | added v2.3.1 |
| PWR | Power (wattage) | added v2.3.1 |
| RANGE | *Ranges | added v2.3.1 |
| RATIO | *Ratios | added v2.3.1 |
| RCRLTM | *Reciprocal Relative Time | added v2.3.1 |
| RDEN | *Relative Density | added v2.3.1 |
| REL | *Relative | added v2.3.1 |
| RLMCNC | *Relative Mass Concentration | added v2.3.1 |
| RLSCNC | *Relative Substance Concentration | added v2.3.1 |
| RLTM | *Relative Time | added v2.3.1 |
| SATFR | *Saturation Fraction | added v2.3.1 |
| SCNC | *Substance Concentration | added v2.3.1 |
| SCNCIN | *Substance Concentration Increment | added v2.3.1 |
| SCNT | *Substance Content | added v2.3.1 |
| SCNTR | *Substance Content Rate | added v2.3.1 |
| SCRTO | *Substance Concentration Ratio | added v2.3.1 |
| SFR | *Substance Fraction | added v2.3.1 |
| SHAPE | Shape | added v2.3.1 |
| SMELL | Smell | added v2.3.1 |
| SRAT | *Substance Rate | added v2.3.1 |
| SRTO | *Substance Ratio | added v2.3.1 |
| SUB | *Substance Amount | added v2.3.1 |
| SUSC | *Susceptibility | added v2.3.1 |
| TASTE | Taste | added v2.3.1 |
| TEMP | *Temperature | added v2.3.1 |
| TEMPDF | *Temperature Difference | added v2.3.1 |
| TEMPIN | *Temperature Increment | added v2.3.1 |
| THRMCNC | *Threshold Mass Concentration | added v2.3.1 |
| THRSCNC | *Threshold Substance Concentration | added v2.3.1 |
| TIME | *Time (e.g. seconds) | added v2.3.1 |
| TITR | *Dilution Factor (Titer) | added v2.3.1 |
| TMDF | *Time Difference | added v2.3.1 |
| TMSTP | *Time Stamp-Date and Time | added v2.3.1 |
| TRTO | *Time Ratio | added v2.3.1 |
| TYPE | *Type | added v2.3.1 |
| VCNT | *Volume Content | added v2.3.1 |
| VEL | *Velocity | added v2.3.1 |
| VELRT | *Velocity Ratio | added v2.3.1 |
| VFR | *Volume Fraction | added v2.3.1 |
| VISC | *Viscosity | added v2.3.1 |
| VOL | *Volume | added v2.3.1 |
| VRAT | *Volume Rate | added v2.3.1 |
| VRTO | *Volume Ratio | added v2.3.1 |