LOINCActiveBoth

LOINC Code 2522-1: Lactate (Pleur fld) [Moles/Vol]

2522-1 is a LOINC code used to identify Lactate (Pleur 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 Lactate. It is commonly used with the system or sample type Plr 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 Plr 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 [Moles/volume] in Pleural fluid
  • Lactate
  • 2-Hydroxypropanoic acid; 2-hydroxy-propionate; 2-hydroxy-propionic acid; Chemistry; Lact; Lactic acid; Level; L-lactate; Pleural; Pleural fluid; Point in time; QNT; Quan; Quant; Quantitative; Random; Substance concentration; thoracentesis fluid

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 (Pleur fld) [Moles/Vol]Lactate [Moles/volume] in Pleural fluidLactate Plr-sCncLactateCHEMLactate, Pleural fluidSCnc

Frequently asked questions

Code details

Code2522-1
SystemLOINC
Display nameLactate (Pleur fld) [Moles/Vol]
DescriptionLactate
Short nameLactate Plr-sCnc
ComponentLactate
PropertySCnc
TimingPt
System (specimen)Plr fld
ScaleQn
ClassCHEM
Example unitsmmol/L
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.42

Consumer names

Lactate, Pleural fluid

Part names

LactateSCncPtPlr fldQnSubstance ConcentrationPoint in time (spot)Pleural 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 2522-1 | HealthAssure