M86.371
BillableChronic multifocal osteomyelitis, right 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 right ankle and foot bones, often resulting in persistent pain and potential drainage.
Coding Tips
- •Ensure documentation specifies 'right' ankle and foot involvement
- •Distinguish between multifocal osteomyelitis and monostotic (single site) infection
Clinical Significance
Chronic multifocal osteomyelitis of the right ankle and foot represents a complex infection affecting multiple bones in the weight-bearing extremity, significantly impacting mobility and quality of life. This condition poses high risk for functional disability and may require extensive reconstruction.
Documentation Requirements
- ✓Specific documentation of right ankle and foot involvement
- ✓Evidence of chronicity (>6 weeks duration or recurrent episodes)
- ✓Confirmation of multifocal pattern in ankle/foot bones
- ✓Imaging findings demonstrating chronic osteomyelitic changes
- ✓Assessment of weight-bearing capacity and gait
- ✓Laboratory findings supporting chronic infectious process
- ✓Documentation of treatment modalities and responses
- ✓Provider assessment confirming chronic multifocal osteomyelitis
Commonly Confused Codes
M86.171 — Acute osteomyelitis of right ankle and foot, acute vs chronicM86.372 — Same condition affecting left ankle and footM86.471 — Chronic osteomyelitis with draining sinus, includes drainageM86.571 — Other chronic hematogenous osteomyelitis, different classificationM25.571 — Pain in right ankle and joints of foot, non-infectious
Code Hierarchy
└M86Osteomyelitis└M86.3Chronic multifocal osteomyelitis└M86.37Chronic multifocal osteomyelitis, ankle and foot└M86.371Chronic multifocal osteomyelitis, right ankle and foot
└M86.371Chronic multifocal osteomyelitis, right ankle and foot