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.

LOINCActiveObservation

LOINC Code 44254-1: Feeling tired or having little energy in last 2 weeks [Reported.PHQ]

Name: LOINC Code 44254-1: Feeling tired or having little energy in last 2 weeks [Reported.PHQ]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:29.267Z

44254-1 is a LOINC code used to identify Feeling tired or having little energy in last 2 weeks [Reported.PHQ] 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 Feeling tired or having little energy in last 2W. 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 Feeling tired or having little energy in last 2W. 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: ACTIVE
Order vs observation: Observation
Method: Reported.PHQ

What it does not mean

The code identifies the observation or test, not the actual result.

Key facts

Feeling tired or having little energy in last 2 weeks [Reported.PHQ]
Feeling tired or having little energy in last 2W
14 days; 2 weeks; Feeling tired, or having little energy; Finding; Findings; Mental health; MentalHealth; Ordinal; Past; Patient Health Questionnaire; Psych; Psychiatry; Ql; Qual; Qualitative; Screen; Survey; SURVEY.PHQ

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

Feeling tired or having little energy in last 2 weeks [Reported.PHQ]Feeling tired or having little energy in last 2WSURVEY.PHQFind2W^PatientOrd

Frequently asked questions

Code details

Code44254-1

SystemLOINC

Display nameFeeling tired or having little energy in last 2 weeks [Reported.PHQ]

DescriptionFeeling tired or having little energy in last 2W

ComponentFeeling tired or having little energy in last 2W

PropertyFind

Timing2W

System (specimen)^Patient

ScaleOrd

MethodReported.PHQ

ClassSURVEY.PHQ

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.17

Last changed2.54

Part names

Feeling tired or having little energy in last 2WFind2W^PatientOrdReported.PHQFeeling tired or having little energy in last 2 weeksFinding2 weeksPatient Health Questionnaire

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.