M86.271
BillableSubacute 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 bone infection in the right ankle and foot bones that develops gradually over weeks to months.
Coding Tips
- •Confirm right ankle and foot location is documented; specify which foot bones are involved if documented
- •Note any associated ulceration or vascular compromise
Clinical Significance
Subacute osteomyelitis of the right ankle and foot represents an intermediate-stage bone infection developing gradually over weeks to months that can significantly impair mobility and quality of life. The complex anatomy of the ankle and foot makes this condition particularly challenging to treat and prone to complications including chronic infection and permanent disability.
Documentation Requirements
- ✓Clear documentation of subacute osteomyelitis
- ✓Specific identification of right ankle and/or foot involvement
- ✓Evidence of infection timeline spanning weeks to months
- ✓Clinical presentation with pain, swelling, and functional limitation
- ✓Imaging confirmation of bone infection in ankle/foot structures
- ✓Laboratory findings consistent with ongoing infection
- ✓Culture results and antibiotic sensitivity when available
- ✓Assessment of weight-bearing capacity and gait abnormalities
Commonly Confused Codes
Code Hierarchy
└M86Osteomyelitis└M86.2Subacute osteomyelitis└M86.27Subacute osteomyelitis, ankle and foot└M86.271Subacute osteomyelitis, right ankle and foot
└M86.271Subacute osteomyelitis, right ankle and foot