All ICD10 Codes

M35

Non-Billable
ChapterM00–M99
Rankcategory
Official Description

Other systemic involvement of connective tissue

Use a more specific code (8 billable, 2 non-billable)
M35.0Sjögren syndromehas subcodesM35.1Other overlap syndromesM35.2Behçet's diseaseM35.3Polymyalgia rheumaticaM35.4Diffuse (eosinophilic) fasciitisM35.5Multifocal fibrosclerosisM35.6Relapsing panniculitis [Weber-Christian]M35.7Hypermobility syndromeM35.8Other specified systemic involvement of connective tissuehas subcodesM35.9Systemic involvement of connective tissue, unspecified
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99).

CH13 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • 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)

M30-M36 Parent Instructions

Includes
  • autoimmune disease NOS
  • collagen (vascular) disease NOS
  • systemic autoimmune disease
  • systemic collagen (vascular) disease
Excludes1(Not coded here. Use a different code.)
  • autoimmune disease, single organ or single cell-type -code to relevant condition category

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • reactive perforating collagenosis (L87.1)

Clinical Hierarchy

BillableHas subcodes
CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)
M30-M36Systemic connective tissue disorders (M30-M36)
M35Other systemic involvement of connective tissueNot billable
M35.0Sjögren syndromeSubcodes
M35.1Other overlap syndromesBillable
M35.2Behçet'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 tissueSubcodes
M35.9Systemic involvement of connective tissue, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M35:

blockM30-M36
Systemic connective tissue disorders (M30-M36)
View context instructions
chapterCH13
Diseases of the musculoskeletal system and connective tissue (M00-M99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Other systemic involvement of connective tissue.

Search PCS Codes