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 93189-9: XR Wrist and Hand Total skeletal maturity score

Name: LOINC Code 93189-9: XR Wrist and Hand Total skeletal maturity score
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:22.239Z

93189-9 is a LOINC code used to identify XR Wrist and Hand Total skeletal maturity score 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 Total skeletal maturity score. It is commonly used with the system or sample type Upper extremity>Wrist+Hand.

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 Total skeletal maturity score. It is commonly used with the system or sample type Upper extremity>Wrist+Hand.

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 Wrist and Hand Total skeletal maturity score

Total skeletal maturity score

The total skeletal maturity score as determined by various bone age assessment methods, such as Tanner-Whitehouse (TW2), using x-ray. The total maturity score is used to compute the bone age (e.g. in years, months)[LOINC85151-9]. To report which method was used to determine bone age, use the Bone age method term [LOINC: 85150-1]. For mapping to an X-ray procedure for determining bone age, see the Views bone age XR terms (e.g. [LOINC: 24724-7]).

Arm; Carpal bone; Carpal bones; Carpal bones and joint; EXT; Imaging; Plain Films; Point in time; QNT; Quan; Quant; Quantitative; RADIOLOGY; Random; Scale; Scre; Tot; Total maturity score; Totl; UE; Up; Upper extremity; Upper extremity joint; 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 Wrist and Hand Total skeletal maturity scoreXR Wrist+Hand Total maturity scoreTotal skeletal maturity scoreRADScorePtUpper extremity>Wrist+Hand

Frequently asked questions

Code details

Code93189-9

SystemLOINC

Display nameXR Wrist and Hand Total skeletal maturity score

DescriptionTotal skeletal maturity score

Short nameXR Wrist+Hand Total maturity score

ComponentTotal skeletal maturity score

PropertyScore

TimingPt

System (specimen)Upper extremity>Wrist+Hand

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

Total skeletal maturity scoreScorePtUpper extremity>Wrist+HandQnXRPoint in time (spot)Wrist and HandX-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.