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LOINC Code 64410-4: In the last 12 months, how often, on average, has your child been kept awake at night by this itchy rash [PhenX]

64410-4 is a LOINC code used to identify In the last 12 months, how often, on average, has your child 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, has your child 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, has your child 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, has your child been kept awake at night by this itchy rash [PhenX]
  • In the last 12Mo, how often, on average, has your child been kept awake at night by this itchy rash
  • 1 year; 12Mos; Count/time; Itchy rash awake 12Mo 6; nRate; Number rate; Number Rate = Count/Time; 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, has your child been kept awake at night by this itchy rash [PhenX]Itchy rash awake 12Mo 6 PhenXIn the last 12Mo, how often, on average, has your child been kept awake at night by this itchy rashPHENXNRat12Mo^Patient

Frequently asked questions

Code details

Code64410-4
SystemLOINC
Display nameIn the last 12 months, how often, on average, has your child been kept awake at night by this itchy rash [PhenX]
DescriptionIn the last 12Mo, how often, on average, has your child been kept awake at night by this itchy rash
Short nameItchy rash awake 12Mo 6 PhenX
ComponentIn the last 12Mo, how often, on average, has your child been kept awake at night by this itchy rash
PropertyNRat
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, has your child been kept awake at night by this itchy rashNRat12Mo^PatientOrdPhenXIn the last 12 months, how often, on average, has your child been kept awake at night by this itchy rashNumber Rate12 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.