2026 ICD-10-CM Diagnosis Code M34.82Systemic sclerosis with myopathy

ICD-10-CM Codes›M00–M99›M30-M36›M34

ICD-10-CM M34.82
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

M34.82 is a billable ICD-10-CM diagnosis code for systemic sclerosis with myopathy. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 545 through 547. Coders also document this condition as myopathy due to scleroderma. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Systemic lupus erythematosus and connective tissue disorders.

Code Identity

ICD-10-CM Code
M34.82
Billable Status
Yes — Valid for Submission
Code Describes
Systemic sclerosis with myopathy
Short Description
Systemic sclerosis with myopathy
Same as the full description in the CMS dataset.
Parent Code
M34.8
Other forms of systemic sclerosis

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM30-M36Systemic connective tissue disorders
CategoryM34Systemic sclerosis [scleroderma]
This CodeM34.82Systemic sclerosis with myopathy

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Myopathy due to scleroderma
  • Myopathy due to systemic sclerosis

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Myopathy
      • in (due to)
        • scleroderma
    • Sclerosis, sclerotic
      • systemic
        • with
          • myopathy

Clinical ClassificationClinical

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

CCSR MUS024
Systemic lupus erythematosus and connective tissue disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Muscle Disorders

Your muscles help you move and help your body work. Different types of muscles have different jobs. There are many problems that can affect muscles. Muscle disorders can cause weakness, pain or even paralysis.

Read the full article at MedlinePlus

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

Convert M34.82 to ICD-9-CMHistory

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

ICD-9-CM
710.1 Systemic sclerosis
ApproximateCombination The match is approximate, and more than one code can be needed to describe the source diagnosis. Confirm with contextual judgment.
ICD-9-CM
359.6 Infl myopathy in oth dis
ApproximateCombination The match is approximate, and more than one code can be needed to describe the source diagnosis. Confirm with contextual judgment.

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 M34.82Overview

Is M34.82 (Other forms of systemic sclerosis) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report systemic sclerosis with myopathy on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does M34.82 group to?

When systemic sclerosis with myopathy is the principal diagnosis on an inpatient stay, it groups to MS-DRG 545, 546, 547, with relative weights from 0.8362 to 2.4817 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of M34.82?

Under the General Equivalence Mappings, systemic sclerosis with myopathy converts to ICD-9-CM 710.1 (systemic sclerosis) and 359.6 (infl myopathy in oth dis). 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.