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 64536-6: At bedtime does your child usually have difficult routines or rituals, argue a lot, or otherwise behave badly [PhenX]

Name: LOINC Code 64536-6: At bedtime does your child usually have difficult routines or rituals, argue a lot, or otherwise behave badly [PhenX]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:43.951Z

64536-6 is a LOINC code used to identify At bedtime does your child usually have difficult routines or rituals, argue a lot, or otherwise behave badly [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 At bedtime does your child usually have difficult routines or rituals, argue a lot, or otherwise behave badly. 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 At bedtime does your child usually have difficult routines or rituals, argue a lot, or otherwise behave badly. 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

At bedtime does your child usually have difficult routines or rituals, argue a lot, or otherwise behave badly [PhenX]
At bedtime does your child usually have difficult routines or rituals, argue a lot, or otherwise behave badly
Child difficult bed routines; 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

At bedtime does your child usually have difficult routines or rituals, argue a lot, or otherwise behave badly [PhenX]Child difficult bed routines PhenXAt bedtime does your child usually have difficult routines or rituals, argue a lot, or otherwise behave badlyPHENXFindPt^Patient

Frequently asked questions

Code details

Code64536-6

SystemLOINC

Display nameAt bedtime does your child usually have difficult routines or rituals, argue a lot, or otherwise behave badly [PhenX]

DescriptionAt bedtime does your child usually have difficult routines or rituals, argue a lot, or otherwise behave badly

Short nameChild difficult bed routines PhenX

ComponentAt bedtime does your child usually have difficult routines or rituals, argue a lot, or otherwise behave badly

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

At bedtime does your child usually have difficult routines or rituals, argue a lot, or otherwise behave badlyFindPt^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.