LOINCActive

LOINC Code 60640-0: Lower lip to pogonion [Length] Skull X-ray measured

60640-0 is a LOINC code used to identify Lower lip to pogonion [Length] Skull X-ray measured 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 Lower lip to pogonion. It is commonly used with the system or sample type Skull.

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 Lower lip to pogonion. It is commonly used with the system or sample type Skull.

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: XR.measured

What it does not mean

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

Key facts

  • Lower lip to pogonion [Length] Skull X-ray measured
  • Lower lip to pogonion
  • Cranial; Cranium; Dental; Dentistry; Head; Length; LI-PG'; Low; Plain Films; Point in time; QNT; Quan; Quant; Quantitative; Random; 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

Lower lip to pogonion [Length] Skull X-ray measuredLi-Pg' Skull XRLower lip to pogonionDENTALLenPtSkull

Frequently asked questions

Code details

Code60640-0
SystemLOINC
Display nameLower lip to pogonion [Length] Skull X-ray measured
DescriptionLower lip to pogonion
Short nameLi-Pg' Skull XR
ComponentLower lip to pogonion
PropertyLen
TimingPt
System (specimen)Skull
ScaleQn
MethodXR.measured
ClassDENTAL
Example unitsmm
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.34
Last changed2.34

Part names

Lower lip to pogonionLenPtSkullQnXR.measuredLengthPoint in time (spot)X-ray measured

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.