LOINCActive

LOINC Code 19885-3: Carbon dioxide [Partial pressure] in Blood Preductal

19885-3 is a LOINC code used to identify Carbon dioxide [Partial pressure] in Blood Preductal 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 Bld.preductal.

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. It is commonly used with the system or sample type Bld.preductal.

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

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Carbon dioxide [Partial pressure] in Blood Preductal
  • Carbon dioxide
  • To assess presence of patient ductus arteriosus and potential Right to Left shunt.
  • Bld Preductal; Bld.right hand; BldA.right hand; Blood; Carbonic anhydride; cO2; Lung; Partial pressure; PCO2; Point in time; Preductal blood; PULMONARY; Pulmonology; QNT; Quan; Quant; Quantitative; Random; Respiratory; WB; Whole blood

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 [Partial pressure] in Blood PreductalpCO2 Bld PreductalCarbon dioxidePULMPPresPtBld.preductal

Frequently asked questions

Code details

Code19885-3
SystemLOINC
Display nameCarbon dioxide [Partial pressure] in Blood Preductal
DescriptionCarbon dioxide
Short namepCO2 Bld Preductal
ComponentCarbon dioxide
PropertyPPres
TimingPt
System (specimen)Bld.preductal
ScaleQn
ClassPULM
Example unitsmm Hg
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.30

Part names

Carbon dioxidePPresPtBld.preductalQnPartial pressurePoint in time (spot)Blood Preductal

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 19885-3 | HealthAssure