LOINCActive

LOINC Code 60644-2: Subnasale to pogonion [Length] Skull X-ray measured

60644-2 is a LOINC code used to identify Subnasale 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 Subnasale 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 Subnasale 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

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

Subnasale to pogonion [Length] Skull X-ray measuredSn-Pg' Skull XRSubnasale to pogonionDENTALLenPtSkull

Frequently asked questions

Code details

Code60644-2
SystemLOINC
Display nameSubnasale to pogonion [Length] Skull X-ray measured
DescriptionSubnasale to pogonion
Short nameSn-Pg' Skull XR
ComponentSubnasale 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

Subnasale 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.