M35
Other systemic involvement of connective tissue
Choose the additional character
M35 needs more characters to be billable. Pick the specific code below.
- M35.0Sjogren syndromeMore levels
- M35.1Other overlap syndromesBillable
- M35.2Behcet's diseaseBillable
- M35.3Polymyalgia rheumaticaBillable
- M35.4Diffuse (eosinophilic) fasciitisBillable
- M35.5Multifocal fibrosclerosisBillable
- M35.6Relapsing panniculitis [Weber-Christian]Billable
- M35.7Hypermobility syndromeBillable
- M35.8Other specified systemic involvement of connective tissueMore levels
- M35.9Systemic involvement of connective tissue, unspecifiedBillable
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
reactive perforating collagenosis (L87.1)
autoimmune disease NOS collagen (vascular) disease NOS systemic autoimmune disease systemic collagen (vascular) disease
autoimmune disease, single organ or single cell-type -code to relevant condition category
arthropathic psoriasis (L40.5-) certain conditions originating in the perinatal period (P04-P96) certain infectious and parasitic diseases (A00-B99) compartment syndrome (traumatic) (T79.A-) complications of pregnancy, childbirth and the puerperium (O00-O9A) congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) injury, poisoning and certain other consequences of external causes (S00-T88) neoplasms (C00-D49) symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition (M00-M25) Arthropathies (M00-M25) Includes: Disorders affecting predominantly peripheral (limb) joints (M40-M54) Dorsopathies (M40-M54) (M60-M79) Soft tissue disorders (M60-M79) (M80-M94) Osteopathies and chondropathies (M80-M94)
Official Guidelines for M35
FY 2026 ›Sections that reference M35
Sections whose FY 2026 text names M35, its M35 category, or a range containing it — the chapter guidance above is the authoritative source.