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ICD-10-CM · FY 2026 APRIL UPDATE

M86.4

Chronic osteomyelitis with draining sinus

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
M86.40Chronic osteomyelitis with draining sinus, unspecified siteBillable
M86.41Chronic osteomyelitis with draining sinus, shoulderCategory
M86.411Chronic osteomyelitis with draining sinus, right shoulderBillable
M86.412Chronic osteomyelitis with draining sinus, left shoulderBillable
M86.419Chronic osteomyelitis with draining sinus, unspecified shoulderBillable
M86.42Chronic osteomyelitis with draining sinus, humerusCategory
M86.421Chronic osteomyelitis with draining sinus, right humerusBillable
M86.422Chronic osteomyelitis with draining sinus, left humerusBillable
M86.429Chronic osteomyelitis with draining sinus, unspecified humerusBillable
M86.43Chronic osteomyelitis with draining sinus, radius and ulnaCategory
M86.431Chronic osteomyelitis with draining sinus, right radius and ulnaBillable
M86.432Chronic osteomyelitis with draining sinus, left radius and ulnaBillable
M86.439Chronic osteomyelitis with draining sinus, unspecified radius and ulnaBillable
M86.44Chronic osteomyelitis with draining sinus, handCategory
M86.441Chronic osteomyelitis with draining sinus, right handBillable
M86.442Chronic osteomyelitis with draining sinus, left handBillable
M86.449Chronic osteomyelitis with draining sinus, unspecified handBillable
M86.45Chronic osteomyelitis with draining sinus, femurCategory
M86.451Chronic osteomyelitis with draining sinus, right femurBillable
M86.452Chronic osteomyelitis with draining sinus, left femurBillable
M86.459Chronic osteomyelitis with draining sinus, unspecified femurBillable
M86.46Chronic osteomyelitis with draining sinus, tibia and fibulaCategory
M86.461Chronic osteomyelitis with draining sinus, right tibia and fibulaBillable
M86.462Chronic osteomyelitis with draining sinus, left tibia and fibulaBillable
M86.469Chronic osteomyelitis with draining sinus, unspecified tibia and fibulaBillable
M86.47Chronic osteomyelitis with draining sinus, ankle and footCategory
M86.471Chronic osteomyelitis with draining sinus, right ankle and footBillable
M86.472Chronic osteomyelitis with draining sinus, left ankle and footBillable
M86.479Chronic osteomyelitis with draining sinus, unspecified ankle and footBillable
M86.48Chronic osteomyelitis with draining sinus, other siteBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

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ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.