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 90391-4: Considering your shortness of breath over the past 7 days, rate the amount of difficulty you had when walking 1/2 mile (almost 1 km) on flat ground at a normal speed without stopping [PROMIS]

Name: LOINC Code 90391-4: Considering your shortness of breath over the past 7 days, rate the amount of difficulty you had when walking 1/2 mile (almost 1 km) on flat ground at a normal speed without stopping [PROMIS]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:19.830Z

90391-4 is a LOINC code used to identify Considering your shortness of breath over the past 7 days, rate the amount of difficulty you had when walking 1/2 mile (almost 1 km) on flat ground at a normal speed without stopping [PROMIS] 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 Considering your shortness of breath over the past 7D, rate the amount of difficulty you had when walking a half mile (almost 1 km) on flat ground at a normal speed without stopping. 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 Considering your shortness of breath over the past 7D, rate the amount of difficulty you had when walking a half mile (almost 1 km) on flat ground at a normal speed without stopping. 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: PROMIS

What it does not mean

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

Key facts

Considering your shortness of breath over the past 7 days, rate the amount of difficulty you had when walking 1/2 mile (almost 1 km) on flat ground at a normal speed without stopping [PROMIS]
Considering your shortness of breath over the past 7D, rate the amount of difficulty you had when walking a half mile (almost 1 km) on flat ground at a normal speed without stopping
Control; Finding; Findings; i; Last; Ordinal; Patient Reported Outcomes Information System; promise; QL; Qual; Qualitative; Screen; Survey; SURVEY.PROMIS

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

Considering your shortness of breath over the past 7 days, rate the amount of difficulty you had when walking 1/2 mile (almost 1 km) on flat ground at a normal speed without stopping [PROMIS]Considering your shortness of breath over the past 7D, rate the amount of difficulty you had when walking a half mile (almost 1 km) on flat ground at a normal speed without stoppingSURVEY.PROMISFind7D^PatientOrd

Frequently asked questions

Code details

Code90391-4

SystemLOINC

Display nameConsidering your shortness of breath over the past 7 days, rate the amount of difficulty you had when walking 1/2 mile (almost 1 km) on flat ground at a normal speed without stopping [PROMIS]

DescriptionConsidering your shortness of breath over the past 7D, rate the amount of difficulty you had when walking a half mile (almost 1 km) on flat ground at a normal speed without stopping

ComponentConsidering your shortness of breath over the past 7D, rate the amount of difficulty you had when walking a half mile (almost 1 km) on flat ground at a normal speed without stopping

PropertyFind

Timing7D

System (specimen)^Patient

ScaleOrd

MethodPROMIS

ClassSURVEY.PROMIS

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.65

Last changed2.65

Part names

Considering your shortness of breath over the past 7D, rate the amount of difficulty you had when walking a half mile (almost 1 km) on flat ground at a normal speed without stoppingFind7D^PatientOrdPROMISConsidering your shortness of breath over the past 7 days, rate the amount of difficulty you had when walking 1/2 mile (almost 1 km) on flat ground at a normal speed without stoppingFinding7 days

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.