LOINCActiveBoth

LOINC Code 2909-0: Pyruvate carboxylase (Tiss) [Catalytic activity/Mass]

2909-0 is a LOINC code used to identify Pyruvate carboxylase (Tiss) [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 carboxylase. It is commonly used with the system or sample type Tiss.

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 Pyruvate carboxylase. It is commonly used with the system or sample type Tiss.

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 carboxylase [Enzymatic activity/mass] in Tissue
  • Pyruvate carboxylase
  • Catalytic Content; Chemistry; PCD; Point in time; Pyruvic acid; QNT; Quan; Quant; Quantitative; Random; Tissue; Tissue, unspecified

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 carboxylase (Tiss) [Catalytic activity/Mass]Pyruvate carboxylase [Enzymatic activity/mass] in TissuePyruvate Carboxylase Tiss-cCntPyruvate carboxylaseCHEMPyruvate carboxylase, TissueCCnt

Frequently asked questions

Code details

Code2909-0
SystemLOINC
Display namePyruvate carboxylase (Tiss) [Catalytic activity/Mass]
DescriptionPyruvate carboxylase
Short namePyruvate Carboxylase Tiss-cCnt
ComponentPyruvate carboxylase
PropertyCCnt
TimingPt
System (specimen)Tiss
ScaleQn
ClassCHEM
Example unitspmol/min/mg protein
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.40

Consumer names

Pyruvate carboxylase, Tissue

Part names

Pyruvate carboxylaseCCntPtTissQnCatalytic ContentPoint in time (spot)Tissue and Smears

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.