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M86.48

✓ Billable

Chronic osteomyelitis with draining sinus, other site

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

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❌ Excludes1

inherited

Rules inherited from parent codes in the hierarchy.

M86
  • • osteomyelitis due to:
  • • echinococcus (B67.2)
  • • gonococcus (A54.43)
  • • salmonella (A02.24)

⚠️ Excludes2

inherited

Rules inherited from parent codes.

M86
  • • ostemyelitis of:
  • • orbit (H05.0-)
  • • petrous bone (H70.2-)
  • • vertebra (M46.2-)

Clinical Description

ICD-10-CM code M86.48 represents chronic osteomyelitis with draining sinus, other site. This code falls under the Diseases of the musculoskeletal system and connective tissue (M00-M99) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.

This is a 6-character code at the 5th level of specificity. This is the most specific code available in this subcategory. Coders should note that M86.48 has 4 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.

Frequently Asked Questions

What is ICD-10 code M86.48?

ICD-10-CM code M86.48 is "Chronic osteomyelitis with draining sinus, other site". It belongs to the category: Diseases of the musculoskeletal system and connective tissue (M00-M99).

Is M86.48 a billable ICD-10 code?

Yes, M86.48 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What codes are excluded with M86.48?

M86.48 has 4 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.

Can M86.48 be coded with other codes?

M86.48 has 4 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.

Related Codes in M86.4

Other codes in the same category that may be relevant for differential coding:

M86.40Chronic osteomyelitis with draining sinus, unspecified siteM86.41Chronic osteomyelitis with draining sinus, shoulderM86.42Chronic osteomyelitis with draining sinus, humerusM86.43Chronic osteomyelitis with draining sinus, radius and ulnaM86.44Chronic osteomyelitis with draining sinus, handM86.45Chronic osteomyelitis with draining sinus, femurM86.46Chronic osteomyelitis with draining sinus, tibia and fibulaM86.47Chronic osteomyelitis with draining sinus, ankle and footM86.49Chronic osteomyelitis with draining sinus, multiple sites

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Code Information

CodeM86.48
BillableYes
ParentM86.4
CategoryDiseases of the musculoskeletal system and connective tissue (M00-M99)
Excludes14 rule(s)
Excludes24 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)