LOINCObservation

LOINC Code 44257-4: Deprecated Patient Health Questionnaire 9 item (PHQ-9) [Reported]

44257-4 is a LOINC code used to identify Deprecated Patient Health Questionnaire 9 item (PHQ-9) [Reported] 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 Patient health questionnaire 9 item. 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 Patient health questionnaire 9 item. 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: DEPRECATED
  • Order vs observation: Observation
  • Panel type: Panel
  • Method: Reported.PHQ

What it does not mean

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

Key facts

  • Deprecated Patient Health Questionnaire 9 item (PHQ-9) [Reported]
  • Patient health questionnaire 9 item
  • Patient Health Questionnaire; PHQ; PHQ 9; PHQ9; PHQ-9; Point in time; Random; 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

Deprecated Patient Health Questionnaire 9 item (PHQ-9) [Reported]Patient health questionnaire 9 itemSURVEY.PHQ-Pt^PatientReported.PHQ

Frequently asked questions

Code details

Code44257-4
SystemLOINC
Display nameDeprecated Patient Health Questionnaire 9 item (PHQ-9) [Reported]
DescriptionPatient health questionnaire 9 item
ComponentPatient health questionnaire 9 item
Property-
TimingPt
System (specimen)^Patient
Scale-
MethodReported.PHQ
ClassSURVEY.PHQ
StatusDEPRECATED
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.17
Last changed2.70

Part names

Patient health questionnaire 9 item-Pt^PatientReported.PHQPoint in time (spot)Patient 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.

LOINC Code 44257-4 | HealthAssure