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.

LOINCActiveOrder

LOINC Code 91688-2: Mood and Feelings Questionnaire [MFQ] Adult self-report long form

Name: LOINC Code 91688-2: Mood and Feelings Questionnaire [MFQ] Adult self-report long form
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:21.442Z

91688-2 is a LOINC code used to identify Mood and Feelings Questionnaire [MFQ] Adult self-report long form 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 Mood and Feelings Questionnaire Adult self-report long form. 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 Mood and Feelings Questionnaire Adult self-report long form. 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: Order
Panel type: Panel
Method: MFQ

What it does not mean

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

Key facts

Mood and Feelings Questionnaire [MFQ] Adult self-report long form

Mood and Feelings Questionnaire Adult self-report long form

The Mood and Feelings Questionnaire (MFQ) Adult self-report long form is a 33-item tool that consists of a series of descriptive phrases regarding how a subject has been feeling or acting recently. Results reflect whether the phrase was descriptive of the subject most of the time, sometimes, or not at all in the past two weeks.[http//devepi.duhs.duke.edu/mfq.html]

MFQ Adult self-report long form; Pan; Panel; PANEL.SURVEY.MTLHLTH; Panl; Pnl; Point in time; Random; Survey; SURVEY.MTLHLTH

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

Mood and Feelings Questionnaire [MFQ] Adult self-report long formMood and Feelings Questionnaire Adult self-report long formPANEL.SURVEY.MTLHLTH-Pt^PatientMFQ

Frequently asked questions

Code details

Code91688-2

SystemLOINC

Display nameMood and Feelings Questionnaire [MFQ] Adult self-report long form

DescriptionMood and Feelings Questionnaire Adult self-report long form

ComponentMood and Feelings Questionnaire Adult self-report long form

Property-

TimingPt

System (specimen)^Patient

Scale-

MethodMFQ

ClassPANEL.SURVEY.MTLHLTH

StatusACTIVE

Order/ObservationOrder

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.66

Last changed2.66

Part names

Mood and Feelings Questionnaire Adult self-report long form-Pt^PatientMFQPoint in time (spot)Mood and Feelings Questionnaire (MFQ)

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.