LOINCActiveBoth

LOINC Code 5922-0: Gastric acid (Gast fld) [Moles/Vol]

5922-0 is a LOINC code used to identify Gastric acid (Gast 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 Gastric acid. It is commonly used with the system or sample type Gast 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 Gastric acid. It is commonly used with the system or sample type Gast 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

What it does not mean

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

Key facts

  • Gastric acid [Moles/volume] in Gastric fluid
  • Gastric acid
  • Acd; Acids; Chemistry; GAST; Gastric contents; Gastric 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

Gastric acid (Gast fld) [Moles/Vol]Gastric acid [Moles/volume] in Gastric fluidGastric Ac Gast-sCncGastric acidCHEMGastric acid, Stomach fluidSCnc

Frequently asked questions

Code details

Code5922-0
SystemLOINC
Display nameGastric acid (Gast fld) [Moles/Vol]
DescriptionGastric acid
Short nameGastric Ac Gast-sCnc
ComponentGastric acid
PropertySCnc
TimingPt
System (specimen)Gast fld
ScaleQn
ClassCHEM
Example unitsmmol/L
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0b
Last changed2.73

Consumer names

Gastric acid, Stomach fluid

Part names

Gastric acidSCncPtGast fldQnSubstance ConcentrationPoint in time (spot)Gastric 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.