LOINCActiveObservation

LOINC Code 70002-1: Obstructive apnea index 24 hour

70002-1 is a LOINC code used to identify Obstructive apnea index 24 hour 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 Obstructive apnea 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 Obstructive apnea 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

  • Obstructive apnea index 24 hour
  • Obstructive apnea index
  • 1 day; 24 hours; 24HR; AI; Count/time; Lung; nRate; Number rate; Number Rate = Count/Time; OAI; OSA; PULMONARY; Pulmonology; QNT; Quan; Quant; Quantitative; Respiratory

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

Obstructive apnea index 24 hourObstructive apnea index 24h nRateObstructive apnea indexPULMNRat24H^Patient

Frequently asked questions

Code details

Code70002-1
SystemLOINC
Display nameObstructive apnea index 24 hour
DescriptionObstructive apnea index
Short nameObstructive apnea index 24h nRate
ComponentObstructive apnea index
PropertyNRat
Timing24H
System (specimen)^Patient
ScaleQn
ClassPULM
Example units/hour
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.40
Last changed2.70

Part names

Obstructive apnea indexNRat24H^PatientQnNumber Rate24 hours

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 70002-1 | HealthAssure