LOINCActiveBoth

LOINC Code 37909-9: XR Thoracic spine Lateral W hyperextension

37909-9 is a LOINC code used to identify XR Thoracic spine Lateral W hyperextension 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 lateral^W hyperextension. It is commonly used with the system or sample type Chest>Spine.thoracic.

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 lateral^W hyperextension. It is commonly used with the system or sample type Chest>Spine.thoracic.

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 Thoracic spine Lateral W hyperextension
View lateral^W hyperextension
Lateral thoracic spine xray with hyperextension is the reference standard for evaluating thoracic hyperkyphosis flexibility. Imaging is typically done with the patient lying on a bolster that is positioned beneath the apex of the kyphosis. [PMID28746130]
1V; CXR; Document; Dorsal spine; Film; Finding; Findings; Imaging; Lat; Lat Hyperext; Plain Films; Point in time; Rad; RADIOLOGY; Random; Single View; Spinal; Spinal Cord; Th/sp; Thorax; T-spine; 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 Thoracic spine Lateral W hyperextensionXR T-spine Lat W hyperextView lateral^W hyperextensionRADFindPtChest>Spine.thoracic

Frequently asked questions

Code details

Code37909-9
SystemLOINC
Display nameXR Thoracic spine Lateral W hyperextension
DescriptionView lateral^W hyperextension
Short nameXR T-spine Lat W hyperext
ComponentView lateral^W hyperextension
PropertyFind
TimingPt
System (specimen)Chest>Spine.thoracic
ScaleDoc
MethodXR
ClassRAD
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.14
Last changed2.64

Part names

View lateral^W hyperextensionFindPtChest>Spine.thoracicDocXRChestSpine.thoracicWlateralViewHyperextensionView Lateral hyperextensionFindingPoint in time (spot)Spine thoracicX-rayThoracic spine

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.