2026 ICD-10-CM Diagnosis Code M35.01Sjogren syndrome with keratoconjunctivitis
ICD-10-CM Codes›M00–M99›M30-M36›M35
- Billable — Valid for Submission
- Chronic Condition
M35.01 is a billable ICD-10-CM diagnosis code for sjogren syndrome with keratoconjunctivitis. 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 dry eyes. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Cornea and external disease and Systemic lupus erythematosus and connective tissue disorders.
M35.01 no longer risk-adjusts for Medicare Advantage: it mapped to HCC 40 under the retired CMS-HCC V24 model through payment year 2025 but maps to no category in the live V28 model. It still risk-adjusts in the PACE (CMS-HCC V22) category 40, ESRD (V21) category 40, ESRD (V24) category 40, and RxHCC Part D (V08) category 84 for payment year 2026.
Code Identity
Code Classification
Medicare Risk Adjustment (HCC)Billing
M35.01 no longer risk-adjusts for Medicare Advantage: it maps to no payment category in the live CMS-HCC V28 model, although it still risk-adjusts in the other CMS models shown below.
Source: CMS Payment Year 2026 risk adjustment mappings and model software. Weights are relative factors, not dollar amounts; a beneficiary's total RAF also includes demographics and interactions. Browse all CMS-HCC categories.
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Dry eyes
- Keratoconjunctivitis sicca
- Keratoconjunctivitis sicca, in Sjögren's syndrome
- Sjögren's syndrome
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Syndrome See Also: Disease;
keratoconjunctivitis M35.01
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Keratoconjunctivitis Sicca
drying and inflammation of the conjunctiva as a result of insufficient lacrimal secretion. when found in association with xerostomia and polyarthritis, it is called sjogren's syndrome.
Patient EducationClinical
Sjogren's Syndrome
Sjogren's syndrome, also called Sjogren's disease, is a chronic (long-lasting) autoimmune disease. When you have an autoimmune disease, your immune system attacks healthy tissues and organs by mistake. In Sjogren's syndrome, your immune system attacks the glands that make moisture in the eyes, mouth, and other parts of the body.
The full article covers:
- What is Sjogren's syndrome?
- What causes Sjogren's syndrome?
- Who is more likely to develop Sjogren's syndrome?
- What are the symptoms of Sjogren's syndrome?
- How is Sjogren's syndrome diagnosed?
- What are the treatments for Sjogren's syndrome?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert M35.01 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About M35.01Overview
What is the ICD-10 code for sjogren syndrome with keratoconjunctivitis?
The ICD-10-CM code for sjogren syndrome with keratoconjunctivitis is M35.01 (sometimes written as M3501). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
Is M35.01 (Sjogren syndrome) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report sjogren syndrome with keratoconjunctivitis on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What MS-DRG does M35.01 group to?
When sjogren syndrome with keratoconjunctivitis 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 M35.01?
Under the General Equivalence Mappings, sjogren syndrome with keratoconjunctivitis converts to ICD-9-CM 710.2 (sicca syndrome). The mapping is approximate, so confirm the match fits the documentation.
Does M35.01 risk-adjust for Medicare Advantage payment?
Not for Medicare Advantage. M35.01 mapped to HCC 40 in the retired CMS-HCC V24 model, which last determined payment in 2025, but it maps to no category in the live V28 model; see all codes that no longer risk-adjust. It still risk-adjusts in the PACE (CMS-HCC V22) category 40 (Rheumatoid Arthritis and Inflammatory Connective Tissue Disease), ESRD (V21) category 40 (Rheumatoid Arthritis and Inflammatory Connective Tissue Disease), ESRD (V24) category 40 (Rheumatoid Arthritis and Inflammatory Connective Tissue Disease), and RxHCC Part D (V08) category 84 (Systemic Lupus Erythematosus and Other Systemic Connective Tissue Disorders).
