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LOINC Code 49694-3: CO2 adjusted to patient's actual temperature (BldCoA) [Partial pressure]

49694-3 is a LOINC code used to identify CO2 adjusted to patient's actual temperature (BldCoA) [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^^adjusted to patient's actual temperature. It is commonly used with the system or sample type BldCoA.

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^^adjusted to patient's actual temperature. It is commonly used with the system or sample type BldCoA.

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] adjusted to patient's actual temperature in Arterial cord blood
  • Carbon dioxide^^adjusted to patient's actual temperature
  • adj; Bld cord; Carbonic anhydride; Chemistry; CO2; Cord arterial blood; Cord BldA; Gyn; Gynecology; OB; ObGyn; Obstetrics; Partial pressure; PCO2; Point in time; QNT; Quan; Quant; Quantitative; Random; S prime; Temp; temp adj

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 adjusted to patient's actual temperature (BldCoA) [Partial pressure]Carbon dioxide [Partial pressure] adjusted to patient's actual temperature in Arterial cord bloodpCO2 temp adj BldCoACarbon dioxide^^adjusted to patient's actual temperatureCHEMCarbon Dioxide (CO2) Adjusted to Patient's Actual Temperature, Arterial cord bloodPPres

Frequently asked questions

Code details

Code49694-3
SystemLOINC
Display nameCO2 adjusted to patient's actual temperature (BldCoA) [Partial pressure]
DescriptionCarbon dioxide^^adjusted to patient's actual temperature
Short namepCO2 temp adj BldCoA
ComponentCarbon dioxide^^adjusted to patient's actual temperature
PropertyPPres
TimingPt
System (specimen)BldCoA
ScaleQn
ClassCHEM
Example unitsmm Hg
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.22
Last changed2.73

Consumer names

Carbon Dioxide (CO2) Adjusted to Patient's Actual Temperature, Arterial cord blood

Part names

Carbon dioxide^^adjusted to patient's actual temperaturePPresPtBldCoAQnPartial pressurePoint in time (spot)Blood cord arterial

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.