LOINCActive

LOINC Code 8854-2: Pulmonary wedge Oxygen saturation

8854-2 is a LOINC code used to identify Pulmonary wedge Oxygen saturation 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 Oxygen saturation. It is commonly used with the system or sample type Pulmonary wedge.

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 Oxygen saturation. It is commonly used with the system or sample type Pulmonary wedge.

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

  • Pulmonary wedge Oxygen saturation
  • Oxygen saturation
  • Hemodynamics; HEMODYNAMICS.MOLEC; Lung; Mass fraction; O2; Percent; Point in time; Pulmonary; Pulmonology; PW; QNT; Quan; Quant; Quantitative; Random; Respiratory; SaO2; SAT; Satn; SO2; tO2

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

Pulmonary wedge Oxygen saturationSaO2 % PWOxygen saturationHEMODYN.MOLECMFrPtPulmonary wedge

Frequently asked questions

Code details

Code8854-2
SystemLOINC
Display namePulmonary wedge Oxygen saturation
DescriptionOxygen saturation
Short nameSaO2 % PW
ComponentOxygen saturation
PropertyMFr
TimingPt
System (specimen)Pulmonary wedge
ScaleQn
ClassHEMODYN.MOLEC
Example units%
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0h(3)
Last changed2.40

Part names

Oxygen saturationMFrPtPulmonary wedgeQnMass fractionPoint in time (spot)

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 8854-2 | HealthAssure