M86.8X2 – Other osteomyelitis, upper arm
ICD-10-CM 2027 diagnosis code · Other osteopathies
ICD-10-CM code
M86.8X2
- Code
M86.8X2(claims format:M868X2)- Description
- Other osteomyelitis, upper arm
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
- Block
- M86-M90 Other osteopathies
- Parent codes
- M86 › M86.8 › M86.8X
Billable codes under M86.8X2
M86.8X2 is a header code and cannot be used on claims. Choose the most specific code:
- M86.8X21 – Other osteomyelitis, right upper armBillable · New in 2027
- M86.8X22 – Other osteomyelitis, left upper armBillable · New in 2027
- M86.8X29 – Other osteomyelitis, unspecified upper armBillable · New in 2027
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
M86 – Osteomyelitis
Excludes1 (not coded here):
Use additional code:
M86.8 – Other osteomyelitis
Applicable to:
- Brodie's abscess
Block M86-M90
Excludes1 (not coded here):
- postprocedural osteopathies (M96.-)
Related codes in M86.8X
- M86.8X0 – Other osteomyelitis, multiple sitesBillable
- M86.8X1 – Other osteomyelitis, shoulderHeader
- M86.8X3 – Other osteomyelitis, forearmHeader
- M86.8X4 – Other osteomyelitis, handHeader
- M86.8X5 – Other osteomyelitis, thighHeader
- M86.8X6 – Other osteomyelitis, lower legHeader
- M86.8X7 – Other osteomyelitis, ankle and footHeader
- M86.8X8 – Other osteomyelitis, other siteHeader
- M86.8X9 – Other osteomyelitis, unspecified sitesBillable
Frequently asked questions
What is ICD-10 code M86.8X2?
M86.8X2 is the ICD-10-CM code for other osteomyelitis, upper arm, in the block M86-M90 (Other osteopathies).
Is M86.8X2 a billable code?
No. M86.8X2 is a header code with more specific child codes; report one of the billable codes listed above.
What category does M86.8X2 belong to?
It belongs to category M86 – Osteomyelitis.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.