What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 2713-6: SaO2% Calculated from oxygen partial pressure (Bld) [Mass fraction]

Name: LOINC Code 2713-6: SaO2% Calculated from oxygen partial pressure (Bld) [Mass fraction]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:14.098Z

2713-6 is a LOINC code used to identify SaO2% Calculated from oxygen partial pressure (Bld) [Mass fraction] 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 Bld.

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 Bld.

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
Method: Calculated from oxygen partial pressure

What it does not mean

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

Key facts

Oxygen saturation Calculated from oxygen partial pressure in Blood
Oxygen saturation
Blood; Calc; calc from oxygen partial pressure; Calculation; Chemistry; from pO2; Lung; Mass Fraction; O2; Percent; Point in time; Pulmonary; Pulmonology; QNT; Quan; Quant; Quantitative; Random; Respiratory; SaO2; SAT; Satn; SO2; tO2; 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

SaO2% Calculated from oxygen partial pressure (Bld) [Mass fraction]Oxygen saturation Calculated from oxygen partial pressure in BloodSaO2 % Bld from pO2Oxygen saturationCHEMSaO2%, BloodMFr

Frequently asked questions

Code details

Code2713-6

SystemLOINC

Display nameSaO2% Calculated from oxygen partial pressure (Bld) [Mass fraction]

DescriptionOxygen saturation

Short nameSaO2 % Bld from pO2

ComponentOxygen saturation

PropertyMFr

TimingPt

System (specimen)Bld

ScaleQn

MethodCalculated from oxygen partial pressure

ClassCHEM

Example units%

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0

Last changed2.73

Consumer names

SaO2%, Blood

Part names

Oxygen saturationMFrPtBldQnCalculated from oxygen partial pressureMass fractionPoint in time (spot)Blood

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.