M86.46
⚠ Non-billable
Chronic osteomyelitis with draining sinus, tibia and fibula
ICD-10-CM · FY2026 · Diseases of the Musculoskeletal System and Connective Tissue
Code
M86.46
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Musculoskeletal System and Connective Tissue
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code M86.46?
ICD-10-CM code M86.46 represents Chronic osteomyelitis with draining sinus, tibia and fibula. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Musculoskeletal System and Connective Tissue chapter, effective October 1, 2025 – September 30, 2026.
Is M86.46 billable?
No. M86.46 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is M86.46 in?
M86.46 belongs to the Diseases of the Musculoskeletal System and Connective Tissue chapter (M00–M99) of ICD-10-CM.
Related codes in the M86 category
M86
Osteomyelitis
Non-billable
M86.0
Acute hematogenous osteomyelitis
Non-billable
M86.1
Other acute osteomyelitis
Non-billable
M86.2
Subacute osteomyelitis
Non-billable
M86.3
Chronic multifocal osteomyelitis
Non-billable
M86.4
Chronic osteomyelitis with draining sinus
Non-billable
M86.5
Other chronic hematogenous osteomyelitis
Non-billable
M86.6
Other chronic osteomyelitis
Non-billable
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