M86.372
BillableChronic multifocal osteomyelitis, left ankle and foot
HCC Category Mapping
V28HCC 92 — Bone/Joint/Muscle Infections/Necrosis
0.209V24HCC 39 — Bone/Joint/Muscle Infections/Necrosis
0.482ESRDHCC 39 — Bone/Joint/Muscle Infections/Necrosis
0.000What This Code Means
A chronic bone infection affecting multiple areas of the left ankle and foot bones, characterized by long-standing inflammation and possible drainage.
Coding Tips
- •Confirm laterality is documented as 'left' in the clinical notes
- •Document which specific bones of the ankle and foot are involved when possible
Clinical Significance
This diagnosis represents chronic multifocal osteomyelitis of the left ankle and foot, a severe condition affecting weight-bearing bones with significant functional implications. The complex anatomy of the foot increases treatment difficulty and risk for long-term complications including chronic pain and disability.
Documentation Requirements
- ✓Clear documentation of left ankle and foot involvement
- ✓Evidence supporting chronic nature (duration >6 weeks or recurrent)
- ✓Confirmation of multifocal involvement in ankle/foot structures
- ✓Radiographic studies showing chronic osteomyelitic changes
- ✓Functional assessment of left foot and ankle
- ✓Laboratory markers consistent with chronic infection
- ✓Treatment history including surgical and medical interventions
- ✓Clinical confirmation of chronic multifocal osteomyelitis diagnosis
Commonly Confused Codes
M86.172 — Acute osteomyelitis of left ankle and foot, acute presentationM86.371 — Same condition but right-sidedM86.472 — Chronic osteomyelitis with draining sinus, includes drainageM86.572 — Other chronic hematogenous osteomyelitis, different etiologyM25.572 — Pain in left ankle and joints of foot, non-infectious
Code Hierarchy
└M86Osteomyelitis└M86.3Chronic multifocal osteomyelitis└M86.37Chronic multifocal osteomyelitis, ankle and foot└M86.372Chronic multifocal osteomyelitis, left ankle and foot
└M86.372Chronic multifocal osteomyelitis, left ankle and foot