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.

LOINCActiveBoth

LOINC Code 41343-5: Knee - left Flexion Active Range of Motion Quantitative

Name: LOINC Code 41343-5: Knee - left Flexion Active Range of Motion Quantitative
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:27.680Z

41343-5 is a LOINC code used to identify Knee - left Flexion Active Range of Motion Quantitative 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 Flexion.active range of motion. It is commonly used with the system or sample type Knee.left.

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 Flexion.active range of motion. It is commonly used with the system or sample type Knee.left.

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: Both

What it does not mean

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

Key facts

Knee - left Flexion Active Range of Motion Quantitative
Flexion.active range of motion
AROM; Flx AROM; H+P; H+P.PX; Kn; Knee-L; L; Lower extremity joint; LT; MSK; Musculoskeletal; Ortho; Orthopedics; P prime; Point in time; QNT; Quan; Quant; Quantitative; Random; Rnge

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

Knee - left Flexion Active Range of Motion QuantitativeKnee-L Flx AROM QnFlexion.active range of motionH&P.PXAnglePtKnee.left

Frequently asked questions

Code details

Code41343-5

SystemLOINC

Display nameKnee - left Flexion Active Range of Motion Quantitative

DescriptionFlexion.active range of motion

Short nameKnee-L Flx AROM Qn

ComponentFlexion.active range of motion

PropertyAngle

TimingPt

System (specimen)Knee.left

ScaleQn

ClassH&P.PX

Example unitsdeg

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.16

Last changed2.48

Part names

Flexion.active range of motionAnglePtKnee.leftQnFlexion Active Range of MotionPoint in time (spot)Knee Left

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.