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 88798-4: In general, how much difficulty do you have with your knee [KOOS]

Name: LOINC Code 88798-4: In general, how much difficulty do you have with your knee [KOOS]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:18.532Z

88798-4 is a LOINC code used to identify In general, how much difficulty do you have with your knee [KOOS] 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 general, how much difficulty do you have with your knee. 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 general, how much difficulty do you have with your knee. 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: KOOS

What it does not mean

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

Key facts

In general, how much difficulty do you have with your knee [KOOS]
In general, how much difficulty do you have with your knee
Finding; Findings; Knee Injury and Osteoarthritis Outcome Score; KOOS JR; KOOS, JR; Lower extremity joint; Ordinal; Point in time; QL; Qual; Qualitative; Random; Screen; Survey; SURVEY.GNHLTH

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 general, how much difficulty do you have with your knee [KOOS]In general, how much difficulty do you have with your kneeSURVEY.GNHLTHFindPt^PatientOrd

Frequently asked questions

Code details

Code88798-4

SystemLOINC

Display nameIn general, how much difficulty do you have with your knee [KOOS]

DescriptionIn general, how much difficulty do you have with your knee

ComponentIn general, how much difficulty do you have with your knee

PropertyFind

TimingPt

System (specimen)^Patient

ScaleOrd

MethodKOOS

ClassSURVEY.GNHLTH

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.64

Last changed2.77

Part names

In general, how much difficulty do you have with your kneeFindPt^PatientOrdKOOSFindingPoint in time (spot)Knee Injury and Osteoarthritis Outcome Score

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.