LOINCActiveBoth

LOINC Code 37042-9: XR Knee - left Tunnel

37042-9 is a LOINC code used to identify XR Knee - left Tunnel 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 View tunnel. It is commonly used with the system or sample type Lower extremity.left>Knee.

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 View tunnel. It is commonly used with the system or sample type Lower extremity.left>Knee.

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
  • Method: XR

What it does not mean

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

Key facts

  • XR Knee - left Tunnel
  • View tunnel
  • 1V; Document; EXT; Extr-L; Film; Finding; Findings; Imaging; Kn; Knee-L; L; LE; Leg; LE-L; LLE; Low; Lower extremity joint; LT; MSK; Musculoskeletal; Ortho; Orthopedics; Plain Films; Point in time; Rad; Radiology; Random; Single View; VW; Xray; X-ray

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

XR Knee - left TunnelXR Knee-L TunnelView tunnelRADFindPtLower extremity.left>Knee

Frequently asked questions

Code details

Code37042-9
SystemLOINC
Display nameXR Knee - left Tunnel
DescriptionView tunnel
Short nameXR Knee-L Tunnel
ComponentView tunnel
PropertyFind
TimingPt
System (specimen)Lower extremity.left>Knee
ScaleDoc
MethodXR
ClassRAD
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.14
Last changed2.61

Part names

View tunnelFindPtLower extremity.left>KneeDocXRLeftTrueKneeLower extremitytunnelViewFindingPoint in time (spot)Knee - leftX-ray

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 37042-9 | HealthAssure