LOINC

LOINC Code 64564-8: Has your child felt an irresistible urge to take a nap at times, forcing him or her to stop what he or she is doing in order to sleep [PhenX]

64564-8 is a LOINC code used to identify Has your child felt an irresistible urge to take a nap at times, forcing him or her to stop what he or she is doing in order to sleep [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 Has your child felt an irresistible urge to take a nap at times, forcing him or her to stop what he or she is doing in order to sleep. 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 Has your child felt an irresistible urge to take a nap at times, forcing him or her to stop what he or she is doing in order to sleep. 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

  • Has your child felt an irresistible urge to take a nap at times, forcing him or her to stop what he or she is doing in order to sleep [PhenX]
  • Has your child felt an irresistible urge to take a nap at times, forcing him or her to stop what he or she is doing in order to sleep
  • Child irresistible urge nap; Finding; Findings; 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

Has your child felt an irresistible urge to take a nap at times, forcing him or her to stop what he or she is doing in order to sleep [PhenX]Child irresistible urge nap PhenXHas your child felt an irresistible urge to take a nap at times, forcing him or her to stop what he or she is doing in order to sleepPHENXFindPt^Patient

Frequently asked questions

Code details

Code64564-8
SystemLOINC
Display nameHas your child felt an irresistible urge to take a nap at times, forcing him or her to stop what he or she is doing in order to sleep [PhenX]
DescriptionHas your child felt an irresistible urge to take a nap at times, forcing him or her to stop what he or she is doing in order to sleep
Short nameChild irresistible urge nap PhenX
ComponentHas your child felt an irresistible urge to take a nap at times, forcing him or her to stop what he or she is doing in order to sleep
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

Has your child felt an irresistible urge to take a nap at times, forcing him or her to stop what he or she is doing in order to sleepFindPt^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.

LOINC Code 64564-8 | HealthAssure