M86.8
Non-Billable

Other osteomyelitis

Non-Billable / Non-Specific Code

What is Other osteomyelitis?

ICD-10-CM M86.8 is the diagnosis code for Other osteomyelitis. This code falls under the section "Other osteopathies" within Chapter 13 — Diseases of the musculoskeletal system and connective tissue (M00-M99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions

Coding Guidelines for M86.8

✅ This Code Includes

  • Brodie's abscess

ICD-10-CM Code Hierarchy

Understanding where M86.8 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 1 entries
M86.8XOther osteomyelitisNon-BillableM86.8X0Other osteomyelitis, multiple sitesBillableM86.8X1Other osteomyelitis, shoulderBillableM86.8X2Other osteomyelitis, upper armBillableM86.8X3Other osteomyelitis, forearmBillableM86.8X4Other osteomyelitis, handBillableM86.8X5Other osteomyelitis, thighBillableM86.8X6Other osteomyelitis, lower legBillableM86.8X7Other osteomyelitis, ankle and footBillableM86.8X8Other osteomyelitis, other siteBillableM86.8X9Other osteomyelitis, unspecified sitesBillable
Related Codes

Frequently Asked Questions

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

No, M86.8 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does M86.8 mean?

M86.8 is the ICD-10-CM diagnosis code for "Other osteomyelitis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of M86.8?

The parent code of M86.8 is M86 ("Osteomyelitis"). M86.8 provides a more specific classification within this category.

What section is M86.8 in?

M86.8 is located in Section M86-M90 — "Other osteopathies" within Chapter 13 of the ICD-10-CM Tabular List.

What are the sub-codes of M86.8?

M86.8 has 1 sub-code(s) that provide more specific detail: M86.8X.

When should I use M86.8?

Use M86.8 when the patients documented diagnosis matches "Other osteomyelitis" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Other osteomyelitis?

The ICD-10-CM code for Other osteomyelitis is M86.8.

Can M86.8 be used for primary diagnosis?

No, M86.8 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is M86.8 in?

M86.8 is in Chapter 13 of the ICD-10-CM Tabular List.

Is M86.8 valid for 2026?

Yes, M86.8 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousM86.69Other chronic osteomyelitis, multiple sitesNext →M86.8XOther osteomyelitis
Code Details
M86.8
Other osteomyelitis
Non-Billable / Non-Specific Code
13 — Diseases of the musculoskeletal system and connective tissue (M00-M99)
M86-M90 — Other osteopathies
2026 ICD-10-CM