LOINCActiveBoth

LOINC Code 42485-3: Anion gap Calc (Vitr fld) [Moles/Vol]

42485-3 is a LOINC code used to identify Anion gap Calc (Vitr 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 Vitr 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 Vitr 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 Vitreous fluid by calculation
  • Anion gap
  • Ag; AnGAP; Calc; Calculation; Chemistry; Eye; Level; Ophthalmology; Ophtho; Ophthy; Point in time; QNT; Quan; Quant; Quantitative; Random; Substance concentration; Vitf; Vitreous fluid; Vitreous humor; Vitreous humour

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

Frequently asked questions

Code details

Code42485-3
SystemLOINC
Display nameAnion gap Calc (Vitr fld) [Moles/Vol]
DescriptionAnion gap
Short nameAnion Gap Vitf Calc-sCnc
ComponentAnion gap
PropertySCnc
TimingPt
System (specimen)Vitr fld
ScaleQn
MethodCalculated
ClassCHEM
Example unitsmmol/L
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.16
Last changed2.79

Consumer names

Anion gap, Vitreous fluid

Part names

Anion gapSCncPtVitr fldQnCalculatedSubstance ConcentrationPoint in time (spot)Vitreous 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.