LOINCActiveBoth

LOINC Code 2025-5: Carbon dioxide dissolved (RBC) [Moles/Vol]

2025-5 is a LOINC code used to identify Carbon dioxide dissolved (RBC) [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 Carbon dioxide.dissolved. 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 Carbon dioxide.dissolved. 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

  • Carbon dioxide dissolved [Moles/volume] in Red Blood Cells
  • Carbon dioxide.dissolved
  • Carbonic anhydride; cCO2; Chemistry; CO2; CO2 TOTAL; CO2CT; ctCO2; dis CO2; Erythrocytes; Level; Point in time; QNT; Quan; Quant; Quantitative; Random; Red blood cells; Red blood corpusles; Substance concentration; tCO2

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

Carbon dioxide dissolved (RBC) [Moles/Vol]Carbon dioxide dissolved [Moles/volume] in Red Blood Cellsdis CO2 RBC-sCncCarbon dioxide.dissolvedCHEMCarbon dioxide dissolved, Red blood cellsSCnc

Frequently asked questions

Code details

Code2025-5
SystemLOINC
Display nameCarbon dioxide dissolved (RBC) [Moles/Vol]
DescriptionCarbon dioxide.dissolved
Short namedis CO2 RBC-sCnc
ComponentCarbon dioxide.dissolved
PropertySCnc
TimingPt
System (specimen)RBC
ScaleQn
ClassCHEM
Example unitsnmol/L
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.73

Consumer names

Carbon dioxide dissolved, Red blood cells

Part names

Carbon dioxide.dissolvedSCncPtRBCQnCarbon dioxide dissolvedSubstance ConcentrationPoint 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 2025-5 | HealthAssure