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.

LOINCActiveObservation

LOINC Code 82670-1: How often have you had shortness of breath during the past 4 weeks [ACT]

Name: LOINC Code 82670-1: How often have you had shortness of breath during the past 4 weeks [ACT]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:08.166Z

82670-1 is a LOINC code used to identify How often have you had shortness of breath during the past 4 weeks [ACT] 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 How often have you had shortness of breath during the past 4W. 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 How often have you had shortness of breath during the past 4W. 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
Method: ACT

What it does not mean

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

Key facts

How often have you had shortness of breath during the past 4 weeks [ACT]
How often have you had shortness of breath during the past 4W
4 weeks; Finding; Findings; Last; Ordinal; Ql; Qual; Qualitative; Screen; Survey

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

How often have you had shortness of breath during the past 4 weeks [ACT]How often have you had shortness of breath during the past 4WSURVEY.ACTFind4W^PatientOrd

Frequently asked questions

Code details

Code82670-1

SystemLOINC

Display nameHow often have you had shortness of breath during the past 4 weeks [ACT]

DescriptionHow often have you had shortness of breath during the past 4W

ComponentHow often have you had shortness of breath during the past 4W

PropertyFind

Timing4W

System (specimen)^Patient

ScaleOrd

MethodACT

ClassSURVEY.ACT

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.58

Last changed2.66

Part names

How often have you had shortness of breath during the past 4WFind4W^PatientOrdACTHow often have you had shortness of breath during the past 4 weeksFinding4 weeksAsthma Control Test

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.