ICD-10-CM M35.9: Systemic involvement of connective tissue, unspecified

ICD-10-CM Diagnosis Code (2025)

Official Description for M35.9

Systemic involvement of connective tissue, unspecified

Coding Notes & Guidelines for M35.9

Inclusion Terms
  • Autoimmune disease (systemic) NOS
  • Collagen (vascular) disease NOS

Parent Code (Less Specific):

About ICD-10-CM Code M35.9 (Systemic involvement of connective tissue)

ICD-10-CM code M35.9 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM M35.9 became effective on October 1, 2024.

This page provides detailed information about M35.9 - Systemic involvement of connective tissue, unspecified. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Systemic involvement of connective tissue related to unspecified.