LOINC

LOINC Code 56074-8: Circumference Neck

56074-8 is a LOINC code used to identify Circumference Neck 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 Circumference. 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 Circumference. 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: TRIAL

What it does not mean

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

Key facts

  • Circumference Neck
  • Circumference
  • Neck circumference is measured just below the larynx and perpendicular to the long axis of the neck. Individuals should look straight ahead with shoulders down (not hunched).
  • Girth; Length; PhenX; Point in time; QNT; Quan; Quant; Quantitative; Random

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

Circumference NeckCircumf NeckCircumferencePHENXLenPtNeck

Frequently asked questions

Code details

Code56074-8
SystemLOINC
Display nameCircumference Neck
DescriptionCircumference
Short nameCircumf Neck
ComponentCircumference
PropertyLen
TimingPt
System (specimen)Neck
ScaleQn
ClassPHENX
Example unitscm
StatusTRIAL

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.29
Last changed2.73

Part names

CircumferenceLenPtNeckQnLengthPoint in time (spot)

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 56074-8 | HealthAssure