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