M35 Other systemic involvement of connective tissue

Category / Non-billable header 25 subcodes

Block: Systemic connective tissue disorders (M30-M36)

Excludes 1 (cannot be coded together)

  • reactive perforating collagenosis (L87.1)

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
M35..0 Sjogren syndrome No
M35..00 Sjogren syndrome, unspecified Yes
M35..01 Sjogren syndrome with keratoconjunctivitis Yes
M35..02 Sjogren syndrome with lung involvement Yes
M35..03 Sjogren syndrome with myopathy Yes
M35..04 Sjogren syndrome with tubulo-interstitial nephropathy Yes
M35..05 Sjogren syndrome with inflammatory arthritis Yes
M35..06 Sjogren syndrome with peripheral nervous system involvement Yes
M35..07 Sjogren syndrome with central nervous system involvement Yes
M35..08 Sjogren syndrome with gastrointestinal involvement Yes
M35..0A Sjogren syndrome with glomerular disease Yes
M35..0B Sjogren syndrome with vasculitis Yes
M35..0C Sjogren syndrome with dental involvement Yes
M35..09 Sjogren syndrome with other organ involvement Yes
M35..1 Other overlap syndromes Yes
M35..2 Behcet's disease Yes
M35..3 Polymyalgia rheumatica Yes
M35..4 Diffuse (eosinophilic) fasciitis Yes
M35..5 Multifocal fibrosclerosis Yes
M35..6 Relapsing panniculitis [Weber-Christian] Yes
M35..7 Hypermobility syndrome Yes
M35..8 Other specified systemic involvement of connective tissue No
M35..81 Multisystem inflammatory syndrome Yes
M35..89 Other specified systemic involvement of connective tissue Yes
M35..9 Systemic involvement of connective tissue, unspecified Yes

Last reviewed: September 2026