LOINCActiveBoth

LOINC Code 29875-2: Lactate Ql (U)

29875-2 is a LOINC code used to identify Lactate Ql (U) 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 Urine.

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 Urine.

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 Urine
  • Lactate
  • 2-Hydroxypropanoic acid; 2-hydroxy-propionate; 2-hydroxy-propionic acid; Chemistry; Lact; Lactic acid; L-lactate; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; UA; UR; Urn

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 (U)Lactate [Presence] in UrineLactate Ur QlLactateCHEMLactate, UrinePrThr

Frequently asked questions

Code details

Code29875-2
SystemLOINC
Display nameLactate Ql (U)
DescriptionLactate
Short nameLactate Ur Ql
ComponentLactate
PropertyPrThr
TimingPt
System (specimen)Urine
ScaleOrd
ClassCHEM
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.04
Last changed2.73

Consumer names

Lactate, Urine

Part names

LactatePrThrPtUrineOrdPresence or ThresholdPoint in time (spot)

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 29875-2 | HealthAssure