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U.S. ICD-10-CM · FY 2027

M86.8X29 ICD-10-CM Code: Other osteomyelitis, unspecified upper arm

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

M86.8X29

Other osteomyelitis, unspecified upper arm

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where M86.8X29 sits

  1. 1

    Chapter 13

    Diseases of the musculoskeletal system and connective tissue (M00-M99)

  2. 2

    Section

    Other osteopathies (M86-M90)

  3. 3

    Category M86

    Osteomyelitis

  4. 4

    Subcategory M86.8X2

    Other osteomyelitis, upper arm

  5. 5

    Code M86.8X29

    Other osteomyelitis, unspecified upper arm

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for M86.8X29.

Code first

No “code first” instruction is listed for M86.8X29.

Use additional code

No “use additional code” instruction is listed for M86.8X29.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for M86.8X29.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for M86.8X29.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code M86.8X29 mean?

M86.8X29 is the FY 2027 U.S. ICD-10-CM code for “Other osteomyelitis, unspecified upper arm.”

Is M86.8X29 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, M86.8X29 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is M86.8X29 located in ICD-10-CM?

M86.8X29 is listed in Chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99), within Other osteopathies (M86-M90) (M86–M90), under category M86, Osteomyelitis and subcategory M86.8X2, Other osteomyelitis, upper arm.

What coding notes are listed for M86.8X29?

No inclusion terms are listed for M86.8X29 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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