M86.42Header code — not billable
Chronic osteomyelitis with draining sinus, humerus
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue
- Category
- M86
- Effective date
- October 1, 2026
Related codes in category M86
M86OsteomyelitisM86.0Acute hematogenous osteomyelitisM86.00Acute hematogenous osteomyelitis, unspecified siteYesM86.01Acute hematogenous osteomyelitis, shoulderM86.011Acute hematogenous osteomyelitis, right shoulderYesM86.012Acute hematogenous osteomyelitis, left shoulderYesM86.019Acute hematogenous osteomyelitis, unspecified shoulderYesM86.02Acute hematogenous osteomyelitis, humerusM86.021Acute hematogenous osteomyelitis, right humerusYesM86.022Acute hematogenous osteomyelitis, left humerusYesM86.029Acute hematogenous osteomyelitis, unspecified humerusYesM86.03Acute hematogenous osteomyelitis, radius and ulna
Frequently asked questions
What is ICD-10 code M86.42?
M86.42 is an ICD-10-CM diagnosis code for Chronic osteomyelitis with draining sinus, humerus.
Is M86.42 a billable code?
No. M86.42 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is M86.42 in?
M86.42 falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.
When did M86.42 become effective?
M86.42 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to M86.42?
M86.42 belongs to category M86, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.