LOINCActiveObservation

LOINC Code 90567-9: Oxygen desaturation index

90567-9 is a LOINC code used to identify Oxygen desaturation index 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 desaturation index. It is commonly used with the system or sample type ^Patient.

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 desaturation index. It is commonly used with the system or sample type ^Patient.

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 desaturation index
  • Count/time; Lung; nRate; Number rate; Number Rate = Count/Time; O2; O2 desaturation; O2 desaturation index; ODI; PULMONARY; Pulmonology; QNT; Quan; Quant; Quantitative; Respiratory; Studies; Study; Sutdies; 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 desaturation indexO2 desaturation index nRatePULMNRatStdy^PatientQn

Frequently asked questions

Code details

Code90567-9
SystemLOINC
Display nameOxygen desaturation index
Short nameO2 desaturation index nRate
ComponentOxygen desaturation index
PropertyNRat
TimingStdy
System (specimen)^Patient
ScaleQn
ClassPULM
Example units/Hour
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.65
Last changed2.65

Part names

Oxygen desaturation indexNRatStdy^PatientQnNumber RateStudy

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 90567-9 | HealthAssure