LOINCActiveObservation

LOINC Code 105358-6: Number of days having an AQI value 51 through 100

105358-6 is a LOINC code used to identify Number of days having an AQI value 51 through 100 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 Number of D having an AQI value 51 through 100. 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 Number of D having an AQI value 51 through 100. 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

  • Number of days having an AQI value 51 through 100
  • Number of D having an AQI value 51 through 100
  • Dextro; No; Num; Num days 51 to 100; PhenX; Point in time; QNT; Quan; Quant; Quantitative; 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

Number of days having an AQI value 51 through 100Num days 51 to 100Number of D having an AQI value 51 through 100PHENXTimePt^Patient

Frequently asked questions

Code details

Code105358-6
SystemLOINC
Display nameNumber of days having an AQI value 51 through 100
DescriptionNumber of D having an AQI value 51 through 100
Short nameNum days 51 to 100
ComponentNumber of D having an AQI value 51 through 100
PropertyTime
TimingPt
System (specimen)^Patient
ScaleQn
ClassPHENX
Example unitsdays
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

Number of D having an AQI value 51 through 100TimePt^PatientQnNumber of days having an AQI value 51 through 100Time (e.g. seconds)Point 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.