Table 0254: Kind of Quantity
HL7-defined table of codes that describe the underlying kind of property represented by an observation. The categories distinguish concentrations from total amounts, molar concentrations from mass concentrations, partial pressures from colors, and so forth. These are discussed more fully in the LOINC Users' Manual. They are derived from the approach described in 1995 edition of the IUPAC Silver Book. These distinctions are used in IUPAC and LOINC standard codes. The distinctions of true quantities in this table are based primarily on dimensional analyses. The table contains a number of "families," those related to simple counts (number, number concentration, etc.), to mass (mass, mass concentration, etc.), to enzyme activity (catalytic content, catalytic concentration, etc.), and molar or equivalents (substance content, substance concentration).
- Type
- HL7-defined
- Codes
- 102
- Introduced
- HL7 v2.3
- Used in
- OM1-42
- THO code system
http://terminology.hl7.org/CodeSystem/v2-0254- OID
2.16.840.1.113883.18.149
HL7-defined: The standard fixes the values. PipeHat flags codes outside this list as warnings.
Codes
| Code | Meaning |
|---|---|
CACT | Catalytic Activity |
CNC | Catalytic Concentration |
CCRTO | Catalytic Concentration Ratio |
CCNT | Catalytic Content |
CFR | Catalytic Fraction |
CRAT | Catalytic Rate |
CRTO | Catalytic Ratio |
ENT | Entitic |
ENTSUB | Entitic Substance of Amount |
ENTCAT | Entitic Catalytic Activity |
ENTNUM | Entitic Number |
ENTVOL | Entitic Volume |
MASS | Mass |
MCNC | Mass Concentration |
MCRTO | Mass Concentration Ratio |
MCNT | Mass Content |
MFR | Mass Fraction |
MINC | Mass Increment |
MRAT | Mass Rate |
MRTO | Mass Ratio |
NUM | Number |
NCNC | Number Concentration |
NCNT | Number Content |
NFR | Number Fraction |
NRTO | Number Ratio |
SUB | Substance Amount |
SCNC | Substance Concentration |
SCRTO | Substance Concentration Ratio |
SCNT | Substance Content |
SCNTR | Substance Content Rate |
SFR | Substance Fraction |
SCNCIN | Substance Concentration Increment |
SRAT | Substance Rate |
SRTO | Substance Ratio |
VOL | Volume |
VCNT | Volume Content |
VFR | Volume Fraction |
VRAT | Volume Rate |
VRTO | Volume Ratio |
ACNC | Concentration, Arbitrary Substance |
RLMCNC | Relative Mass Concentration |
RLSCNC | Relative Substance Concentration |
THRMCNC | Threshold Mass Concentration |
THRSCNC | Threshold Substance Concentration |
TIME | Time (e.g. seconds) |
TMDF | Time Difference |
TMSTP | Time Stamp-Date and Time |
TRTO | Time Ratio |
RCRLTM | Reciprocal Relative Time |
RLTM | Relative Time |
ABS | Absorbance |
ACT | Activity |
APER | Appearance |
ARB | Arbitrary |
AREA | Area |
ASPECT | Aspect |
CLAS | Class |
CNST | Constant |
COEF | Coefficient |
COLOR | Color |
CONS | Consistency |
DEN | Density |
DEV | Device |
DIFF | Difference |
ELAS | Elasticity |
ELPOT | Electrical Potential (Voltage) |
ELRAT | Electrical current (amperage) |
ELRES | Electrical Resistance |
ENGR | Energy |
EQL | Equilibrium |
FORCE | Mechanical force |
FREQ | Frequency |
IMP | Impression/ interpretation of study |
KINV | Kinematic Viscosity |
LEN | Length |
LINC | Length Increment |
LIQ | Liquefaction |
MGFLUX | Magnetic flux |
MORPH | Morphology |
MOTIL | Motility |
OD | Optical density |
OSMOL | Osmolality |
PRID | Presence/Identity/Existence |
PRES | Pressure (Partial) |
PWR | Power (wattage) |
RANGE | Ranges |
RATIO | Ratios |
RDEN | Relative Density |
REL | Relative |
SATFR | Saturation Fraction |
SHAPE | Shape |
SMELL | Smell |
SUSC | Susceptibility |
TASTE | Taste |
TEMP | Temperature |
TEMPDF | Temperature Difference |
TEMPIN | Temperature Increment |
TITR | Dilution Factor (Titer) |
TYPE | Type |
VEL | Velocity |
VELRT | Velocity Ratio |
VISC | Viscosity |
Where it's used
| Element | Name | FHIR (v2-to-FHIR mapping) |
|---|---|---|
OM1-42 | — |
Elements with a dot (such as CX.5) are data type components, used wherever that data type appears.
Source: HL7 Terminology (THO) 7.4.0, published by HL7 International under CC0. Check your trading partner's specification for the values they actually send.