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 64475-7: My breathing makes it difficult to do things such as very heavy manual work, run, cycle, swim fast or play competitive sport [PhenX]

Name: LOINC Code 64475-7: My breathing makes it difficult to do things such as very heavy manual work, run, cycle, swim fast or play competitive sport [PhenX]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:43.951Z

64475-7 is a LOINC code used to identify My breathing makes it difficult to do things such as very heavy manual work, run, cycle, swim fast or play competitive sport [PhenX] 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 My breathing makes it difficult to do things such as very heavy manual work, run, cycle, swim fast or play competitive sport. 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 My breathing makes it difficult to do things such as very heavy manual work, run, cycle, swim fast or play competitive sport. 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: TRIAL
Method: PhenX

What it does not mean

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

Key facts

My breathing makes it difficult to do things such as very heavy manual work, run, cycle, swim fast or play competitive sport [PhenX]
My breathing makes it difficult to do things such as very heavy manual work, run, cycle, swim fast or play competitive sport
Arterial Stenosis; Breathing diff activ very heavy; Finding; Findings; Job; Occupation; Ordinal; PAINAD.breathing; Point in time; QL; Qual; Qualitative; Random; Screen

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

My breathing makes it difficult to do things such as very heavy manual work, run, cycle, swim fast or play competitive sport [PhenX]Breathing diff activ very heavy PhenXMy breathing makes it difficult to do things such as very heavy manual work, run, cycle, swim fast or play competitive sportPHENXFindPt^Patient

Frequently asked questions

Code details

Code64475-7

SystemLOINC

Display nameMy breathing makes it difficult to do things such as very heavy manual work, run, cycle, swim fast or play competitive sport [PhenX]

DescriptionMy breathing makes it difficult to do things such as very heavy manual work, run, cycle, swim fast or play competitive sport

Short nameBreathing diff activ very heavy PhenX

ComponentMy breathing makes it difficult to do things such as very heavy manual work, run, cycle, swim fast or play competitive sport

PropertyFind

TimingPt

System (specimen)^Patient

ScaleOrd

MethodPhenX

ClassPHENX

StatusTRIAL

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.36

Last changed2.65

Part names

My breathing makes it difficult to do things such as very heavy manual work, run, cycle, swim fast or play competitive sportFindPt^PatientOrdPhenXFindingPoint in time (spot)

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.