M35 ICD-10-CM Code: Other systemic involvement of connective tissue
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
M35Other systemic involvement of connective tissue
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where M35 sits
- 1
Chapter 13
Diseases of the musculoskeletal system and connective tissue (M00-M99)
- 2
Section
Systemic connective tissue disorders (M30-M36)
- 3
Category M35
Other systemic involvement of connective tissue
- 4
Code M35
Other systemic involvement of connective tissue
More specific choices
Codes under M35
M35 is a non-billable category. Choose the child code that best matches the documented diagnosis.
M35.0Sjögren syndrome
M35.1Other overlap syndromes
M35.2Behçet's disease
M35.3Polymyalgia rheumatica
M35.4Diffuse (eosinophilic) fasciitis
M35.5Multifocal fibrosclerosis
M35.6Relapsing panniculitis [Weber-Christian]
M35.7Hypermobility syndrome
M35.8Other specified systemic involvement of connective tissue
M35.9Systemic involvement of connective tissue, unspecified
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for M35.
Code first
No “code first” instruction is listed for M35.
Use additional code
No “use additional code” instruction is listed for M35.
Excludes1
Conditions that should not be reported together with this code.
- reactive perforating collagenosis (L87.1)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for M35.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code M35 mean?
M35 is the FY 2027 U.S. ICD-10-CM code for “Other systemic involvement of connective tissue.”
Is M35 a billable or specific ICD-10-CM code?
No. M35 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is M35 located in ICD-10-CM?
M35 is listed in Chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99), within Systemic connective tissue disorders (M30-M36) (M30–M36), under category M35, Other systemic involvement of connective tissue.
What coding notes are listed for M35?
No inclusion terms are listed for M35 in this reference record. No code-first instruction is listed. Excludes1 notes: reactive perforating collagenosis (L87.1). No Excludes2 note is listed.
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