What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActive

LOINC Code 41935-8: Peak flow measure duration Respiratory system airway by Peak flow meter

Name: LOINC Code 41935-8: Peak flow measure duration Respiratory system airway by Peak flow meter
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:28.126Z

41935-8 is a LOINC code used to identify Peak flow measure duration Respiratory system airway by Peak flow meter 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 Peak flow measure duration. It is commonly used with the system or sample type Respiratory system.airway.

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 Peak flow measure duration. It is commonly used with the system or sample type Respiratory system.airway.

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
Method: Peak flow meter

What it does not mean

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

Key facts

Peak flow measure duration Respiratory system airway by Peak flow meter
Peak flow measure duration
Breathing; Durat; Dynamic; Envelope duration; Lung; Lungs; PFM; PULMONARY; Pulmonology; QNT; Quan; Quant; Quantitative; Respiratory; RS

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

Peak flow measure duration Respiratory system airway by Peak flow meterPeak flow measure dur Airway PFMPeak flow measure durationPULMTime*Respiratory system.airway

Frequently asked questions

Code details

Code41935-8

SystemLOINC

Display namePeak flow measure duration Respiratory system airway by Peak flow meter

DescriptionPeak flow measure duration

Short namePeak flow measure dur Airway PFM

ComponentPeak flow measure duration

PropertyTime

Timing*

System (specimen)Respiratory system.airway

ScaleQn

MethodPeak flow meter

ClassPULM

Example unitsL/s

StatusACTIVE

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.16

Last changed2.48

Part names

Peak flow measure durationTime*Respiratory system.airwayQnPeak flow meterTime (e.g. seconds)Respiratory system airway

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.