LOINCActiveOrder

LOINC Code 105371-9: PhenX - air quality index protocol 290101

105371-9 is a LOINC code used to identify PhenX - air quality index protocol 290101 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 PhenX - air quality index protocol 290101. 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 PhenX - air quality index protocol 290101. 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: Order
  • Panel type: Panel
  • Method: PhenX

What it does not mean

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

Key facts

  • PhenX - air quality index protocol 290101
  • AQI proto 290101; Pan; Panel; PANEL.PHENX; Panl; Pnl; Point in time; 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

PhenX - air quality index protocol 290101AQI proto 290101PANEL.PHENX-Pt^PatientPhenX

Frequently asked questions

Code details

Code105371-9
SystemLOINC
Display namePhenX - air quality index protocol 290101
Short nameAQI proto 290101
ComponentPhenX - air quality index protocol 290101
Property-
TimingPt
System (specimen)^Patient
Scale-
MethodPhenX
ClassPANEL.PHENX
StatusACTIVE
Order/ObservationOrder

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.78
Last changed2.78

Part names

PhenX - air quality index protocol 290101-Pt^PatientPhenXPoint in time (spot)

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 105371-9 | HealthAssure