LOINCActiveBoth

LOINC Code 19212-0: CO2 (BldMV) [Partial pressure]

19212-0 is a LOINC code used to identify CO2 (BldMV) [Partial pressure] 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. It is commonly used with the system or sample type BldMV.

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 Carbon dioxide. It is commonly used with the system or sample type BldMV.

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 [Partial pressure] in Mixed venous blood
  • Carbon dioxide
  • Bld mixed venous; Blood - mixed venous; Carbonic anhydride; Chemistry; CO2; Partial pressure; PCO2; Point in time; QNT; Quan; Quant; Quantitative; Random

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

CO2 (BldMV) [Partial pressure]Carbon dioxide [Partial pressure] in Mixed venous bloodpCO2 BldMVCarbon dioxideCHEMCarbon Dioxide (CO2), BloodPPres

Frequently asked questions

Code details

Code19212-0
SystemLOINC
Display nameCO2 (BldMV) [Partial pressure]
DescriptionCarbon dioxide
Short namepCO2 BldMV
ComponentCarbon dioxide
PropertyPPres
TimingPt
System (specimen)BldMV
ScaleQn
ClassCHEM
Example unitsmm Hg
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Carbon Dioxide (CO2), Blood

Part names

Carbon dioxidePPresPtBldMVQnPartial pressurePoint in time (spot)Blood mixed venous

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 19212-0 | HealthAssure