M35.9 - Systemic involvement of connective tissue, unspecified
- Applicable to Systemic involvement of connective tissue, unspecified
- The 2025 edition of ICD10-CM M35.9 became effective on October 1, 2024.
- This is the American ICD10-CM version of M35.9 - other international versions of ICD10 M35.9 may differ.
- M35.9 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Inclusion Term
- Autoimmune disease (systemic) NOS
- Collagen (vascular) disease NOS
The following codes above M35.9 contain annotation back-references that may be applicable to M35.9:
Chapter: M00-M99 Diseases of the musculoskeletal system and connective tissue
Section: M30-M36 Systemic connective tissue disorders
Category: M35 Other systemic involvement of connective tissue
Billable/Specific Code
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Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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