LOINCActiveBoth

LOINC Code 47561-6: Anion gap Calc (Body fld) [Moles/Vol]

47561-6 is a LOINC code used to identify Anion gap Calc (Body fld) [Moles/Vol] in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Anion gap. It is commonly used with the system or sample type Body fld.

Reviewed by HealthAssure Clinical TeamUpdated 25 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Anion gap. It is commonly used with the system or sample type Body fld.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: ACTIVE
  • Order vs observation: Both
  • Method: Calculated

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Anion gap in Body fluid by calculation
  • Anion gap
  • Ag; AnGAP; B/F; BF; bod; Bodies; Body fluid; Body fluid, unsp; Calc; Calculation; Chemistry; Fl; Fld; FLU; Fluid; Level; Point in time; QNT; Quan; Quant; Quantitative; Random; Substance concentration

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Anion gap Calc (Body fld) [Moles/Vol]Anion gap in Body fluid by calculationAnion Gap Fld Calc-sCncAnion gapCHEMAnion gap, Body fluidSCnc

Frequently asked questions

Code details

Code47561-6
SystemLOINC
Display nameAnion gap Calc (Body fld) [Moles/Vol]
DescriptionAnion gap
Short nameAnion Gap Fld Calc-sCnc
ComponentAnion gap
PropertySCnc
TimingPt
System (specimen)Body fld
ScaleQn
MethodCalculated
ClassCHEM
Example unitsmmol/L
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.21
Last changed2.79

Consumer names

Anion gap, Body fluid

Part names

Anion gapSCncPtBody fldQnCalculatedSubstance ConcentrationPoint in time (spot)Body fluid

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.