LOINCActiveBoth

LOINC Code 2521-3: Lactate Ql (Gast fld)

2521-3 is a LOINC code used to identify Lactate Ql (Gast fld) 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 Lactate. 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 Lactate. 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

  • Lactate [Presence] in Gastric fluid
  • Lactate
  • 2-Hydroxypropanoic acid; 2-hydroxy-propionate; 2-hydroxy-propionic acid; Chemistry; GAST; Gastric contents; Gastric fluid; Lact; Lactic acid; L-lactate; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen

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

Lactate Ql (Gast fld)Lactate [Presence] in Gastric fluidLactate Gast QlLactateCHEMLactate, Stomach fluidPrThr

Frequently asked questions

Code details

Code2521-3
SystemLOINC
Display nameLactate Ql (Gast fld)
DescriptionLactate
Short nameLactate Gast Ql
ComponentLactate
PropertyPrThr
TimingPt
System (specimen)Gast fld
ScaleOrd
ClassCHEM
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.56

Consumer names

Lactate, Stomach fluid

Part names

LactatePrThrPtGast fldOrdPresence or ThresholdPoint 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.

LOINC Code 2521-3 | HealthAssure