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.

LOINCActiveObservation

LOINC Code 93139-4: XR Distal phalanx of third finger Bone development stage

Name: LOINC Code 93139-4: XR Distal phalanx of third finger Bone development stage
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:22.239Z

93139-4 is a LOINC code used to identify XR Distal phalanx of third finger Bone development stage 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 Bone development stage. It is commonly used with the system or sample type Upper extremity>Finger.third.distal phalanx.

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 Bone development stage. It is commonly used with the system or sample type Upper extremity>Finger.third.distal phalanx.

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
Order vs observation: Observation
Method: XR

What it does not mean

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

Key facts

XR Distal phalanx of third finger Bone development stage
Bone development stage
3rd; 3rd finger; Arm; Bone dev stage; EXT; Finger.3rd; Finger.3rd.distl phlnx; Imaging; Plain Films; Point in time; QNT; Quan; Quant; Quantitative; RADIOLOGY; Random; Scale; Scre; UE; Up; 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

XR Distal phalanx of third finger Bone development stageXR Finger.3rd.distl phlnx Bone dev stageBone development stageRADScorePtUpper extremity>Finger.third.distal phalanx

Frequently asked questions

Code details

Code93139-4

SystemLOINC

Display nameXR Distal phalanx of third finger Bone development stage

DescriptionBone development stage

Short nameXR Finger.3rd.distl phlnx Bone dev stage

ComponentBone development stage

PropertyScore

TimingPt

System (specimen)Upper extremity>Finger.third.distal phalanx

ScaleQn

MethodXR

ClassRAD

Example unitsscore

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.67

Last changed2.67

Part names

Bone development stageScorePtUpper extremity>Finger.third.distal phalanxQnXRPoint in time (spot)Distal phalanx of third fingerX-ray

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.