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 64279-3: In the last 12 months, how often, on average, have you been kept awake at night by this itchy rash [PhenX]

Name: LOINC Code 64279-3: In the last 12 months, how often, on average, have you been kept awake at night by this itchy rash [PhenX]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:43.949Z

64279-3 is a LOINC code used to identify In the last 12 months, how often, on average, have you been kept awake at night by this itchy rash [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 In the last 12Mo, how often, on average, have you been kept awake at night by this itchy rash. 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 In the last 12Mo, how often, on average, have you been kept awake at night by this itchy rash. 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

In the last 12 months, how often, on average, have you been kept awake at night by this itchy rash [PhenX]
In the last 12Mo, how often, on average, have you been kept awake at night by this itchy rash
1 year; 12Mos; Finding; Findings; Itchy rash awake night 13; Ordinal; Past; QL; Qual; Qualitative; 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

In the last 12 months, how often, on average, have you been kept awake at night by this itchy rash [PhenX]Itchy rash awake night 13 PhenXIn the last 12Mo, how often, on average, have you been kept awake at night by this itchy rashPHENXFind12Mo^Patient

Frequently asked questions

Code details

Code64279-3

SystemLOINC

Display nameIn the last 12 months, how often, on average, have you been kept awake at night by this itchy rash [PhenX]

DescriptionIn the last 12Mo, how often, on average, have you been kept awake at night by this itchy rash

Short nameItchy rash awake night 13 PhenX

ComponentIn the last 12Mo, how often, on average, have you been kept awake at night by this itchy rash

PropertyFind

Timing12Mo

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

In the last 12Mo, how often, on average, have you been kept awake at night by this itchy rashFind12Mo^PatientOrdPhenXIn the last 12 months, how often, on average, have you been kept awake at night by this itchy rashFinding12 months

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.