LOINCActiveObservation

LOINC Code 85150-1: Bone age method

85150-1 is a LOINC code used to identify Bone age method 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 method. 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 method. 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: Observation
  • Method: *

What it does not mean

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

Key facts

Bone age method
This term is used to report the method used (e.g. Greulich & Pyle, TW2, TW3) to compute bone age. For reporting the bone age in years and/or months, use the Bone age term [LOINC85151-9]. For mapping to an X-ray procedure for determining bone age, see the Views bone age XR terms (e.g. [LOINC: 24724-7]).
H+P; H+P.HX; Meth; Method of; Misc; Miscellaneous; Nominal; Other; P prime; Point in time; Random; Spec; To be specified in another part of the message; Typ; Unspecified

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

Bone age methodH&P.HXTypePtXXX>BonesNom*

Frequently asked questions

Code details

Code85150-1
SystemLOINC
Display nameBone age method
Short nameBone age method
ComponentBone age method
PropertyType
TimingPt
System (specimen)XXX>Bones
ScaleNom
Method*
ClassH&P.HX
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

Bone age methodTypePtXXX>BonesNom*Point in time (spot)Bones

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 85150-1 | HealthAssure