LOINCActiveObservation

LOINC Code 10237-6: Oxygen content (Mid right atrium) [Moles/Vol]

10237-6 is a LOINC code used to identify Oxygen content (Mid right atrium) [Moles/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 Oxygen content. It is commonly used with the system or sample type Heart.atrium.right.mid.

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 content. It is commonly used with the system or sample type Heart.atrium.right.mid.

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: Observation

What it does not mean

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

Key facts

  • Oxygen content in Mid right atrium
  • Oxygen content
  • We can not confirm that any lab reports it in this manner - perhaps as number of molecules of oxygen in a given volume. Be very careful about mapping to this term.
  • Atrial; Cardiac; Cardio; Cardiology; Chemistry; ctO2; Heart Disease; Hrt; Level; O2; O2 Ct; O2CT; Point in time; QNT; Quan; Quant; Quantitative; R; RA; RA.mid; Random; RT; Substance concentration; 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

Oxygen content (Mid right atrium) [Moles/Vol]Oxygen content in Mid right atriumO2 Ct RA.mid-sCncOxygen contentCHEMOxygen content, Mid right atriumSCnc

Frequently asked questions

Code details

Code10237-6
SystemLOINC
Display nameOxygen content (Mid right atrium) [Moles/Vol]
DescriptionOxygen content
Short nameO2 Ct RA.mid-sCnc
ComponentOxygen content
PropertySCnc
TimingPt
System (specimen)Heart.atrium.right.mid
ScaleQn
ClassCHEM
Example unitsmol/L
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0i
Last changed2.34

Consumer names

Oxygen content, Mid right atrium

Part names

Oxygen contentSCncPtHeart.atrium.right.midQnSubstance ConcentrationPoint in time (spot)Heart atrium Right mid

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 10237-6 | HealthAssure