M86.8X4: Other osteomyelitis, hand

No longer billable · FY2027

Not billable: this is a header. Use one of the more specific codes below.

• No longer billable from October 1, 2026: it became a header for more specific codes: M86.8X41, M86.8X42, M86.8X49.

Code breakdown

Coding notes

Inclusion terms (from M86.8)

• Brodie's abscess

Excludes1 (from M86)

• osteomyelitis due to:
• echinococcus (B67.2)
• gonococcus (A54.43)
• salmonella (A02.24)

Excludes2 (from M86)

• ostemyelitis of:
• orbit (H05.0-)
• petrous bone (H70.2-)
• vertebra (M46.2-)

Use additional code (from M86)

• code (B95-B97) to identify infectious agent
• code to identify major osseous defect, if applicable (M89.7-)

Codes under M86.8X4

• M86.8X41 Other osteomyelitis, right hand
• M86.8X42 Other osteomyelitis, left hand
• M86.8X49 Other osteomyelitis, unspecified hand

Check this code

• Code search: full entry and nearby codes
• Excludes checker: can it be billed with another code?
• Coverage checker: is it covered for your CPT code?

All FY2027 ICD-10-CM changes

ICD-10-CM codes and descriptions are from the CMS and NCHS code files. Coverage is from the CMS Medicare Coverage Database billing and coding articles.