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.

LOINC

LOINC Code 52638-4: Mobility endurance - able to walk or wheel 50 feet during 2 day assessment period [CARE]

Name: LOINC Code 52638-4: Mobility endurance - able to walk or wheel 50 feet during 2 day assessment period [CARE]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:35.576Z

52638-4 is a LOINC code used to identify Mobility endurance - able to walk or wheel 50 feet during 2 day assessment period [CARE] 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 Mobility endurance - able to walk or wheel 50 feet during 2D assessment period. 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 Mobility endurance - able to walk or wheel 50 feet during 2D assessment period. 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: DISCOURAGED
Method: CARE

What it does not mean

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

Key facts

Mobility endurance - able to walk or wheel 50 feet during 2 day assessment period [CARE]
Mobility endurance - able to walk or wheel 50 feet during 2D assessment period
2 days; 48 hours; CARE Survey; Continuity assessment record and evaluation; Finding; Findings; 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

Mobility endurance - able to walk or wheel 50 feet during 2 day assessment period [CARE]Mobility endurance - able to walk or wheel 50 feet during 2D assessment periodSURVEY.CAREFind2D^PatientOrd

Frequently asked questions

Code details

Code52638-4

SystemLOINC

Display nameMobility endurance - able to walk or wheel 50 feet during 2 day assessment period [CARE]

DescriptionMobility endurance - able to walk or wheel 50 feet during 2D assessment period

ComponentMobility endurance - able to walk or wheel 50 feet during 2D assessment period

PropertyFind

Timing2D

System (specimen)^Patient

ScaleOrd

MethodCARE

ClassSURVEY.CARE

StatusDISCOURAGED

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.26

Last changed2.64

Part names

Mobility endurance - able to walk or wheel 50 feet during 2D assessment periodFind2D^PatientOrdCAREMobility endurance - able to walk or wheel 50 feet during 2 day assessment periodFinding2 daysContinuity assessment record and evaluation

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.