M35: Other systemic involvement of connective tissue

Codes under M35 (Other systemic involvement of connective tissue). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
M35.0	Sjogren syndrome	—
M35.00	Sjogren syndrome, unspecified	✓
M35.0A	Sjogren syndrome with glomerular disease	✓
M35.0B	Sjogren syndrome with vasculitis	✓
M35.0C	Sjogren syndrome with dental involvement	✓
M35.01	Sjogren syndrome with keratoconjunctivitis	✓
M35.1	Other overlap syndromes	✓
M35.02	Sjogren syndrome with lung involvement	✓
M35.2	Behcet's disease	✓
M35.03	Sjogren syndrome with myopathy	✓
M35.3	Polymyalgia rheumatica	✓
M35.04	Sjogren syndrome with tubulo-interstitial nephropathy	✓
M35.4	Diffuse (eosinophilic) fasciitis	✓
M35.05	Sjogren syndrome with inflammatory arthritis	✓
M35.5	Multifocal fibrosclerosis	✓
M35.06	Sjogren syndrome with peripheral nervous system involvement	✓
M35.6	Relapsing panniculitis [Weber-Christian]	✓
M35.07	Sjogren syndrome with central nervous system involvement	✓
M35.7	Hypermobility syndrome	✓
M35.08	Sjogren syndrome with gastrointestinal involvement	✓
M35.8	Other specified systemic involvement of connective tissue	—
M35.09	Sjogren syndrome with other organ involvement	✓
M35.9	Systemic involvement of connective tissue, unspecified	✓
M35.81	Multisystem inflammatory syndrome	✓
M35.89	Other specified systemic involvement of connective tissue	✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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