LOINCActiveObservation

LOINC Code 105569-8: National scale air toxics assessment diesel PM (DPM)

105569-8 is a LOINC code used to identify National scale air toxics assessment diesel PM (DPM) 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 National scale air toxics assessment diesel PM (DPM). 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 National scale air toxics assessment diesel PM (DPM). 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

National scale air toxics assessment diesel PM (DPM)
Diesel particulate matter level in air in micrograms per cubic meter (µg/m3). SourceEPA 2011 National Air Toxics Assessments
Evening; Number fraction; Percent; 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

National scale air toxics assessment diesel PM (DPM)Diesel pm NFrPHENXNFrPt^PatientQn

Frequently asked questions

Code details

Code105569-8
SystemLOINC
Display nameNational scale air toxics assessment diesel PM (DPM)
Short nameDiesel pm NFr
ComponentNational scale air toxics assessment diesel PM (DPM)
PropertyNFr
TimingPt
System (specimen)^Patient
ScaleQn
ClassPHENX
Example units%
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

National scale air toxics assessment diesel PM (DPM)NFrPt^PatientQnNumber FractionPoint 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.