LOINCActiveBoth

LOINC Code 85151-9: XR Bone age

85151-9 is a LOINC code used to identify XR Bone age 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 age. It is commonly used with the system or sample type XXX>Bones.

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 age. It is commonly used with the system or sample type XXX>Bones.

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: Both
  • Method: XR

What it does not mean

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

Key facts

XR Bone age
Bone age
This term is used to report the bone age (e.g. in years, months), which can be computed by various x-ray methods. To report which method was used to determine bone age, use the Bone age method term [LOINC85150-1]. For mapping to an X-ray procedure for determining bone age, see the Views bone age XR terms (e.g. [LOINC: 24724-7]).
Imaging; Misc; Miscellaneous; Other; Plain Films; Point in time; QNT; Quan; Quant; Quantitative; Rad; RADIOLOGY; Random; Spec; To be specified in another part of the message; Unspecified; 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 Bone ageBone ageRADTimePtXXX>BonesQn

Frequently asked questions

Code details

Code85151-9
SystemLOINC
Display nameXR Bone age
DescriptionBone age
Short nameXR Bone age
ComponentBone age
PropertyTime
TimingPt
System (specimen)XXX>Bones
ScaleQn
MethodXR
ClassRAD
Example unitsmo
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.58
Last changed2.61

Part names

Bone ageTimePtXXX>BonesQnXRTime (e.g. seconds)Point in time (spot)BonesX-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.

LOINC Code 85151-9 | HealthAssure