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M86 — Osteomyelitis

Part of Chapter 13: Diseases of the musculoskeletal system and connective tissue , block Other osteopathies (M86-M90) .

Official Notes

Use Additional Code

code (B95-B97) to identify infectious agent

Use Additional Code

code to identify major osseous defect, if applicable ( M89.7- )

Excludes1

osteomyelitis due to:

Excludes1

echinococcus ( B67.2 )

Excludes1

gonococcus ( A54.43 )

Excludes1

salmonella ( A02.24 )

Excludes2

ostemyelitis of:

Excludes2

orbit ( H05.0- )

Excludes2

petrous bone ( H70.2- )

Excludes2

vertebra ( M46.2- )

Child Codes

Referenced By

Official notes on these codes cite M86.

FY 2027 effective October 1, 2026 · CDC NCHS and CMS