LOINCActive

LOINC Code 66037-3: Rigidity Neck [UPDRS]

66037-3 is a LOINC code used to identify Rigidity Neck [UPDRS] 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 Rigidity. It is commonly used with the system or sample type Neck.

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 Rigidity. It is commonly used with the system or sample type Neck.

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
  • Method: UPDRS

What it does not mean

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

Key facts

  • Rigidity Neck [UPDRS]
  • Rigidity
  • Subjects rigidity in the neck judged on passive movement of major joints with patient relaxed in sitting position. Cogwheeling to be ignored.
  • Finding; Findings; Ordinal; Point in time; QL; Qual; Qualitative; Random; Screen; Unified Parkinson's Disease Rating Scale (UPDRS)

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

Rigidity Neck [UPDRS]Rigidity Neck UPDRSRigidityUPDRSFindPtNeck

Frequently asked questions

Code details

Code66037-3
SystemLOINC
Display nameRigidity Neck [UPDRS]
DescriptionRigidity
Short nameRigidity Neck UPDRS
ComponentRigidity
PropertyFind
TimingPt
System (specimen)Neck
ScaleOrd
MethodUPDRS
ClassUPDRS
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.36
Last changed2.71

Part names

RigidityFindPtNeckOrdUPDRSFindingPoint in time (spot)Unified Parkinson's Disease Rating Scale

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 66037-3 | HealthAssure