LOINCActiveBoth

LOINC Code 87437-0: Oxyhemoglobin (P) [Mass/Vol]

87437-0 is a LOINC code used to identify Oxyhemoglobin (P) [Mass/Vol] 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 Oxyhemoglobin. It is commonly used with the system or sample type Plas.

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 Oxyhemoglobin. It is commonly used with the system or sample type Plas.

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

Oxyhemoglobin [Mass/volume] in Plasma
Oxyhemoglobin
Plasma oxyhemoglobin is used to evaluate for hemolysis when plasma free hemoglobin [LOINC721-1] cannot be accurately measured due to interference by bilirubin or other substances.
Chemistry; Haemoglobin oxygenated; HbO2; Hemoglobin oxygenated; Level; Mass concentration; O2Hb; Oxygenated haemoglobin; Oxygenated hemoglobin; Oxyhaemoglobin; OxyHgb; Pl; Plasma; Plsm; 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

Oxyhemoglobin (P) [Mass/Vol]Oxyhemoglobin [Mass/volume] in PlasmaOxyHgb Plas-mCncOxyhemoglobinCHEMOxyhemoglobin, BloodMCnc

Frequently asked questions

Code details

Code87437-0
SystemLOINC
Display nameOxyhemoglobin (P) [Mass/Vol]
DescriptionOxyhemoglobin
Short nameOxyHgb Plas-mCnc
ComponentOxyhemoglobin
PropertyMCnc
TimingPt
System (specimen)Plas
ScaleQn
ClassCHEM
Example unitsmg/dl
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.63
Last changed2.63

Consumer names

Oxyhemoglobin, Blood

Part names

OxyhemoglobinMCncPtPlasQnMass ConcentrationPoint in time (spot)Plasma

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 87437-0 | HealthAssure