LOINCActive

LOINC Code 19901-8: Carbon dioxide [Partial pressure] in Capillary blood --post chest physiotherapy

19901-8 is a LOINC code used to identify Carbon dioxide [Partial pressure] in Capillary blood --post chest physiotherapy 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^post chest physiotherapy. It is commonly used with the system or sample type BldC.

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^post chest physiotherapy. It is commonly used with the system or sample type BldC.

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 Capillary blood --post chest physiotherapy
  • Carbon dioxide^post chest physiotherapy
  • After; Blood - capillary; Cap bld; Cap blood; Capillary bld; Capillary blood; Carbonic anhydride; cO2; Finger stick; Lung; p chest PT; Partial pressure; PCO2; Point in time; PST; Pulmonary; Pulmonology; QNT; Quan; Quant; Quantitative; Random; Respiratory

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 Capillary blood --post chest physiotherapypCO2 p chest PT BldCCarbon dioxide^post chest physiotherapyPULMPPresPtBldC

Frequently asked questions

Code details

Code19901-8
SystemLOINC
Display nameCarbon dioxide [Partial pressure] in Capillary blood --post chest physiotherapy
DescriptionCarbon dioxide^post chest physiotherapy
Short namepCO2 p chest PT BldC
ComponentCarbon dioxide^post chest physiotherapy
PropertyPPres
TimingPt
System (specimen)BldC
ScaleQn
ClassPULM
Example unitsmm Hg
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

Carbon dioxide^post chest physiotherapyPPresPtBldCQnPartial pressurePoint in time (spot)Blood capillary

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.