ICD-10-CM > M00-M99 > M86-M90 > M86 > M86.4 > M86.44 M86.44 Chronic osteomyelitis with draining sinus, hand Non-Billable/Non-Specific Codes M86.441Chronic osteomyelitis with draining sinus, right handM86.442Chronic osteomyelitis with draining sinus, left handM86.449Chronic osteomyelitis with draining sinus, unspecified hand