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 64001-1: Did you first have the sores or irritations more than 6 months ago [PhenX]

Name: LOINC Code 64001-1: Did you first have the sores or irritations more than 6 months ago [PhenX]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:43.947Z

64001-1 is a LOINC code used to identify Did you first have the sores or irritations more than 6 months ago [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 Did you first have the sores or irritations more than 6Mo ago. 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 Did you first have the sores or irritations more than 6Mo ago. 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

Did you first have the sores or irritations more than 6 months ago [PhenX]
Did you first have the sores or irritations more than 6Mo ago
Finding; Findings; Ordinal; Point in time; QL; Qual; Qualitative; Random; Screen; Sores irritations > 6Mo ago

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

Did you first have the sores or irritations more than 6 months ago [PhenX]Sores irritations > 6Mo ago PhenXDid you first have the sores or irritations more than 6Mo agoPHENXFindPt^Patient

Frequently asked questions

Code details

Code64001-1

SystemLOINC

Display nameDid you first have the sores or irritations more than 6 months ago [PhenX]

DescriptionDid you first have the sores or irritations more than 6Mo ago

Short nameSores irritations > 6Mo ago PhenX

ComponentDid you first have the sores or irritations more than 6Mo ago

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

Did you first have the sores or irritations more than 6Mo agoFindPt^PatientOrdPhenXDid you first have the sores or irritations more than 6 months agoFindingPoint 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.