ICD-10-CM M86 is the diagnosis code for Osteomyelitis. This code falls under the section "Other osteopathies" within Chapter 13 â 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.
The following conditions should never be coded at the same time as M86. They are mutually exclusive:
The following conditions are not included in M86. If the patient has both, code each condition separately:
Understanding where M86 sits in the ICD-10-CM classification helps ensure proper coding:
No, M86 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
M86 is the ICD-10-CM diagnosis code for "Osteomyelitis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
M86 is located in Section M86-M90 â "Other osteopathies" within Chapter 13 of the ICD-10-CM Tabular List.
M86 has 9 sub-code(s) that provide more specific detail: M86.0, M86.1, M86.2, M86.3, M86.4 and more.
Use M86 when the patients documented diagnosis matches "Osteomyelitis" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Osteomyelitis is M86.
No, M86 is non-billable. Use a more specific sub-code for primary diagnosis billing.
M86 is in Chapter 13 of the ICD-10-CM Tabular List.
Type 1 Excludes for M86 include: osteomyelitis due to:; echinococcus (B67.2); gonococcus (A54.43) and more.
Yes, M86 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.