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 64495-5: How often does this nodding off or falling alseep while driving occur [PhenX]

Name: LOINC Code 64495-5: How often does this nodding off or falling alseep while driving occur [PhenX]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:43.951Z

64495-5 is a LOINC code used to identify How often does this nodding off or falling alseep while driving occur [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 How often does this nodding off or falling alseep while driving occur. 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 How often does this nodding off or falling alseep while driving occur. 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

How often does this nodding off or falling alseep while driving occur [PhenX]
How often does this nodding off or falling alseep while driving occur
Finding; Findings; Ordinal; Point in time; QL; Qual; Qualitative; Random; Screen; Sleep apnea sleep drive freq

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

How often does this nodding off or falling alseep while driving occur [PhenX]Sleep apnea sleep drive freq PhenXHow often does this nodding off or falling alseep while driving occurPHENXFindPt^Patient

Frequently asked questions

Code details

Code64495-5

SystemLOINC

Display nameHow often does this nodding off or falling alseep while driving occur [PhenX]

DescriptionHow often does this nodding off or falling alseep while driving occur

Short nameSleep apnea sleep drive freq PhenX

ComponentHow often does this nodding off or falling alseep while driving occur

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

How often does this nodding off or falling alseep while driving occurFindPt^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.