What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActive

LOINC Code 60637-6: Frankfort horizontal plane to mandibular plane using constructed Gonion [Angle] Skull X-ray measured

Name: LOINC Code 60637-6: Frankfort horizontal plane to mandibular plane using constructed Gonion [Angle] Skull X-ray measured
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:40.317Z

60637-6 is a LOINC code used to identify Frankfort horizontal plane to mandibular plane using constructed Gonion [Angle] 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 Frankfort horizontal plane to mandibular plane using constructed Gonion. 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 Frankfort horizontal plane to mandibular plane using constructed Gonion. 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

Frankfort horizontal plane to mandibular plane using constructed Gonion [Angle] Skull X-ray measured
Frankfort horizontal plane to mandibular plane using constructed Gonion
Cranial; Cranium; Dental; Dentistry; FH; FMA; FMA (constructed); Go-Gn; gonion to gnathion; Head; Mand; Me-Goi; menton to reconstructed gonion; MP; 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

Frankfort horizontal plane to mandibular plane using constructed Gonion [Angle] Skull X-ray measuredFMA (constructed) Angle Skull XRFrankfort horizontal plane to mandibular plane using constructed GonionDENTALAnglePtSkull

Frequently asked questions

Code details

Code60637-6

SystemLOINC

Display nameFrankfort horizontal plane to mandibular plane using constructed Gonion [Angle] Skull X-ray measured

DescriptionFrankfort horizontal plane to mandibular plane using constructed Gonion

Short nameFMA (constructed) Angle Skull XR

ComponentFrankfort horizontal plane to mandibular plane using constructed Gonion

PropertyAngle

TimingPt

System (specimen)Skull

ScaleQn

MethodXR.measured

ClassDENTAL

Example unitsdeg

StatusACTIVE

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.34

Last changed2.40

Part names

Frankfort horizontal plane to mandibular plane using constructed GonionAnglePtSkullQnXR.measuredPoint 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.