LOINCActiveBoth

LOINC Code 32552-2: Pyruvate kinase (RBC) [Catalytic activity/Mass]

32552-2 is a LOINC code used to identify Pyruvate kinase (RBC) [Catalytic activity/Mass] 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 Pyruvate kinase. It is commonly used with the system or sample type RBC.

Reviewed by HealthAssure Clinical TeamUpdated 21 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 Pyruvate kinase. It is commonly used with the system or sample type RBC.

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

  • Pyruvate kinase [Enzymatic activity/mass] in Red Blood Cells
  • Pyruvate kinase
  • Catalytic Content; Chemistry; Erythrocytes; PK; Point in time; Pyruvic acid; QNT; Quan; Quant; Quantitative; Random; Red blood cells; Red blood corpusles

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

Pyruvate kinase (RBC) [Catalytic activity/Mass]Pyruvate kinase [Enzymatic activity/mass] in Red Blood CellsPK RBC-cCntPyruvate kinaseCHEMPyruvate kinase, Red blood cellsCCnt

Frequently asked questions

Code details

Code32552-2
SystemLOINC
Display namePyruvate kinase (RBC) [Catalytic activity/Mass]
DescriptionPyruvate kinase
Short namePK RBC-cCnt
ComponentPyruvate kinase
PropertyCCnt
TimingPt
System (specimen)RBC
ScaleQn
ClassCHEM
Example unitsU/g hb
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.08
Last changed2.73

Consumer names

Pyruvate kinase, Red blood cells

Part names

Pyruvate kinaseCCntPtRBCQnCatalytic ContentPoint in time (spot)Red Blood Cells

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 32552-2 | HealthAssure