LOINCActiveBoth

LOINC Code 2185-7: Cytochrome C oxidase (Plts) [Catalytic activity/Vol]

2185-7 is a LOINC code used to identify Cytochrome C oxidase (Plts) [Catalytic activity/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 Cytochrome C oxidase. It is commonly used with the system or sample type Platelets.

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 Cytochrome C oxidase. It is commonly used with the system or sample type Platelets.

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

  • Cytochrome C oxidase [Enzymatic activity/volume] in Platelets
  • Cytochrome C oxidase
  • Catalytic Concentration; Chemistry; COX; CyC Oxidase; cyt; Platelet; Plt; Plts; Point in time; QNT; Quan; Quant; Quantitative; Random; Thrb; Thrombocyte; Thrombocytes

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

Cytochrome C oxidase (Plts) [Catalytic activity/Vol]Cytochrome C oxidase [Enzymatic activity/volume] in PlateletsCyC Oxidase Plts-cCncCytochrome C oxidaseCHEMCytochrome C Oxidase, PlateletsCCnc

Frequently asked questions

Code details

Code2185-7
SystemLOINC
Display nameCytochrome C oxidase (Plts) [Catalytic activity/Vol]
DescriptionCytochrome C oxidase
Short nameCyC Oxidase Plts-cCnc
ComponentCytochrome C oxidase
PropertyCCnc
TimingPt
System (specimen)Platelets
ScaleQn
ClassCHEM
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.61

Consumer names

Cytochrome C Oxidase, Platelets

Part names

Cytochrome C oxidaseCCncPtPlateletsQnCatalytic ConcentrationPoint 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 2185-7 | HealthAssure