LOINC

LOINC Code 56073-0: Deprecated PhenX measure - neck circumference

56073-0 is a LOINC code used to identify Deprecated PhenX measure - neck circumference 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 PhenX measure - neck circumference. It is commonly used with the system or sample type ^Patient.

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 PhenX measure - neck circumference. It is commonly used with the system or sample type ^Patient.

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: DEPRECATED
  • Method: PhenX

What it does not mean

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

Key facts

  • Deprecated PhenX measure - neck circumference
  • PhenX measure - neck circumference
  • Measurement of the circumference of the neck. Neck circumference is a screening measure for overweight and obesity and has been used as a risk factor for cardiovascular disease; i.e., it has been found to be more predictive of obstructive sleep apnea than obesity.
  • Girth; Pan; Panel; PANEL.PHENX; Panl; Pnl; Point in time; 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

Deprecated PhenX measure - neck circumferencePhenX measure - neck circumferencePANEL.PHENX-Pt^PatientPhenX

Frequently asked questions

Code details

Code56073-0
SystemLOINC
Display nameDeprecated PhenX measure - neck circumference
DescriptionPhenX measure - neck circumference
ComponentPhenX measure - neck circumference
Property-
TimingPt
System (specimen)^Patient
Scale-
MethodPhenX
ClassPANEL.PHENX
StatusDEPRECATED

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.29
Last changed2.46

Part names

PhenX measure - neck circumference-Pt^PatientPhenXPoint 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 56073-0 | HealthAssure