2026 ICD-10-CM Diagnosis Code M35.03Sjogren syndrome with myopathy

ICD-10-CM Codes›M00–M99›M30-M36›M35

ICD-10-CM M35.03
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

M35.03 is a billable ICD-10-CM diagnosis code for sjogren syndrome 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 Sjögren's disease. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Myopathies and Systemic lupus erythematosus and connective tissue disorders.

Code Identity

ICD-10-CM Code
M35.03
Billable Status
Yes — Valid for Submission
Code Describes
Sjogren syndrome with myopathy
Short Description
Sjogren syndrome with myopathy
Same as the full description in the CMS dataset.
Parent Code
M35.0
Sjogren syndrome

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM30-M36Systemic connective tissue disorders
CategoryM35Other systemic involvement of connective tissue
This CodeM35.03Sjogren syndrome with myopathy

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Myopathy due to Sjögren's disease

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)
        • sicca syndrome
    • Myopathy
      • in (due to)
        • Sjögren's syndrome
    • Syndrome
      • Sjögren
        • with
          • myopathy

Clinical ClassificationClinical

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

CCSR NVS018
Myopathies
Default principal diagnosis: inpatient No · outpatient No
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 M35.03 to ICD-9-CMHistory

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

ICD-9-CM
710.2 Sicca syndrome
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 2017–2021No changes
FY 2022RevisedCode revised
FY 2023–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About M35.03Overview

Is M35.03 (Sjogren syndrome) a billable code?

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

What MS-DRG does M35.03 group to?

When sjogren syndrome 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 M35.03?

Under the General Equivalence Mappings, sjogren syndrome with myopathy converts to ICD-9-CM 710.2 (sicca syndrome) 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.