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 64813-9: During your leisure time, when you were outside in direct sunlight, how often did you wear this sunlight protection [PhenX]

Name: LOINC Code 64813-9: During your leisure time, when you were outside in direct sunlight, how often did you wear this sunlight protection [PhenX]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:44.550Z

64813-9 is a LOINC code used to identify During your leisure time, when you were outside in direct sunlight, how often did you wear this sunlight protection [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 During your leisure time, when you were outside in direct sunlight, how often did you wear this sunlight protection. 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 During your leisure time, when you were outside in direct sunlight, how often did you wear this sunlight protection. 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

During your leisure time, when you were outside in direct sunlight, how often did you wear this sunlight protection [PhenX]
During your leisure time, when you were outside in direct sunlight, how often did you wear this sunlight protection
Dir; Finding; Findings; Leisure sunlight protection freq; Ordinal; 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

During your leisure time, when you were outside in direct sunlight, how often did you wear this sunlight protection [PhenX]Leisure sunlight protection freq PhenXDuring your leisure time, when you were outside in direct sunlight, how often did you wear this sunlight protectionPHENXFindPt^Patient

Frequently asked questions

Code details

Code64813-9

SystemLOINC

Display nameDuring your leisure time, when you were outside in direct sunlight, how often did you wear this sunlight protection [PhenX]

DescriptionDuring your leisure time, when you were outside in direct sunlight, how often did you wear this sunlight protection

Short nameLeisure sunlight protection freq PhenX

ComponentDuring your leisure time, when you were outside in direct sunlight, how often did you wear this sunlight protection

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

During your leisure time, when you were outside in direct sunlight, how often did you wear this sunlight protectionFindPt^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.