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M36.8

M36.8: Systemic disorders of connective tissue in other diseases classified elsewhere

Billable / specific codeICD-10-CM

M36.8 is a billable, specific ICD-10-CM code for systemic disorders of connective tissue in other diseases classified elsewhere. It is valid for submission on a claim.

Check M36.8 with the rest of the claim: free scrubber

Code first

The underlying condition must be sequenced before this code.

  • underlying disease, such as:
  • alkaptonuria (E70.29)
  • hypogammaglobulinemia (D80.-)
  • ochronosis (E70.29)

Excludes2 inherited from the categories above M36.8

Not part of this code, but both may be coded when both are present.

Written on M36: Systemic disorders of connective tissue in diseases classified elsewhere

  • arthropathies in diseases classified elsewhere (M14.-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

M36.8 is named in 8 Medicare coverage policies: 1 listing it as supporting medical necessity, and 7 listing it as NOT covered. Which one applies depends on your Medicare contractor.

  • A58865Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
  • A58883Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
  • A58893Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
  • A59374Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under M36

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.