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.

LOINCActiveBoth

LOINC Code 98085-4: Specific effective resistance.airway mean Calculated --pre bronchodilation

Name: LOINC Code 98085-4: Specific effective resistance.airway mean Calculated --pre bronchodilation
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:31.428Z

98085-4 is a LOINC code used to identify Specific effective resistance.airway mean Calculated --pre bronchodilation 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 Specific effective resistance.airway^pre bronchodilation. 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 Specific effective resistance.airway^pre bronchodilation. 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
Order vs observation: Both
Method: Calculated

What it does not mean

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

Key facts

Specific effective resistance.airway mean Calculated --pre bronchodilation
Specific effective resistance.airway^pre bronchodilation
Airway resist; Average; Avg; Before; Breathing; Calc; Calculation; Fluid resistance; Lung; Lungs; pre BD; Pulmonary; Pulmonology; QNT; Quan; Quant; Quantitative; RAW; Resist; Resistanc; Resistant; Resistent; Respiratory; RS; Spec; Specific effective resistance of airflow; sReff; sReff^pre bronchodilation; Studies; Study; Sutdies

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

Specific effective resistance.airway mean Calculated --pre bronchodilationsReff pre BD Mean CalcSpecific effective resistance.airway^pre bronchodilationPULMFldResistStdy^meanRespiratory system.airway

Frequently asked questions

Code details

Code98085-4

SystemLOINC

Display nameSpecific effective resistance.airway mean Calculated --pre bronchodilation

DescriptionSpecific effective resistance.airway^pre bronchodilation

Short namesReff pre BD Mean Calc

ComponentSpecific effective resistance.airway^pre bronchodilation

PropertyFldResist

TimingStdy^mean

System (specimen)Respiratory system.airway

ScaleQn

MethodCalculated

ClassPULM

Example units[kPA*s]

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.71

Last changed2.71

Part names

Specific effective resistance.airway^pre bronchodilationFldResistStdy^meanRespiratory system.airwayQnCalculatedFluid ResistanceRespiratory 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.