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LOINC Code 64398-1: In the last 12 months, has wheezing ever been severe enough to limit your childs speech to only one or two words at a time between breaths [PhenX]

64398-1 is a LOINC code used to identify In the last 12 months, has wheezing ever been severe enough to limit your childs speech to only one or two words at a time between breaths [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, has wheezing ever been severe enough to limit your childs speech to only one or two words at a time between breaths. 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, has wheezing ever been severe enough to limit your childs speech to only one or two words at a time between breaths. 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, has wheezing ever been severe enough to limit your childs speech to only one or two words at a time between breaths [PhenX]
  • In the last 12Mo, has wheezing ever been severe enough to limit your childs speech to only one or two words at a time between breaths
  • 1 year; 12Mos; 2; Child wheeze limit speech 12Mo; Finding; Findings; 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, has wheezing ever been severe enough to limit your childs speech to only one or two words at a time between breaths [PhenX]Child wheeze limit speech 12Mo PhenXIn the last 12Mo, has wheezing ever been severe enough to limit your childs speech to only one or two words at a time between breathsPHENXFind12Mo^Patient

Frequently asked questions

Code details

Code64398-1
SystemLOINC
Display nameIn the last 12 months, has wheezing ever been severe enough to limit your childs speech to only one or two words at a time between breaths [PhenX]
DescriptionIn the last 12Mo, has wheezing ever been severe enough to limit your childs speech to only one or two words at a time between breaths
Short nameChild wheeze limit speech 12Mo PhenX
ComponentIn the last 12Mo, has wheezing ever been severe enough to limit your childs speech to only one or two words at a time between breaths
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, has wheezing ever been severe enough to limit your childs speech to only one or two words at a time between breathsFind12Mo^PatientOrdPhenXIn the last 12 months, has wheezing ever been severe enough to limit your childs speech to only one or two words at a time between breathsFinding12 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.