2026 ICD-10-CM Diagnosis Code M92.221Osteochondrosis (juvenile) of metacarpal heads [Mauclaire], right hand

ICD-10-CM Codes›M00–M99›M91-M94›M92

ICD-10-CM M92.221
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

M92.221 is a billable ICD-10-CM diagnosis code for osteochondrosis (juvenile) of metacarpal heads [Mauclaire], right hand. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 553 through 554. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified bone disease and musculoskeletal deformities.

Code Identity

ICD-10-CM Code
M92.221
Billable Status
Yes — Valid for Submission
Code Describes
Osteochondrosis (juvenile) of metacarpal heads [Mauclaire], right hand
Short Description
Osteochondrosis (juvenile) of metacarpal heads, right hand
Parent Code
M92.22
Osteochondrosis (juvenile) of metacarpal heads [Mauclaire]

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM91-M94Chondropathies
CategoryM92Other juvenile osteochondrosis
This CodeM92.221Osteochondrosis (juvenile) of metacarpal heads [Mauclaire], right hand

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR MUS028
Other specified bone disease and musculoskeletal deformities
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Bone Diseases

Your bones help you move, give you shape and support your body. They are living tissues that rebuild constantly throughout your life. During childhood and your teens, your body adds new bone faster than it removes old bone. After about age 20, you can lose bone faster than you make bone.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert M92.221 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
732.3 Juv osteochondrosis arm
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About M92.221Overview

Is M92.221 (Osteochondrosis (juvenile) of metacarpal heads [Mauclaire]) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report osteochondrosis (juvenile) of metacarpal heads [Mauclaire], right hand on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does M92.221 group to?

When osteochondrosis (juvenile) of metacarpal heads [Mauclaire], right hand is the principal diagnosis on an inpatient stay, it groups to MS-DRG 553, 554, with relative weights from 0.8301 to 1.2963 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of M92.221?

Under the General Equivalence Mappings, osteochondrosis (juvenile) of metacarpal heads [Mauclaire], right hand converts to ICD-9-CM 732.3 (juv osteochondrosis arm). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.