M86.361
BillableChronic multifocal osteomyelitis, right tibia and fibula
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 lower leg bones (tibia and fibula), characterized by persistent inflammation and bone damage.
Coding Tips
- •Verify both tibia and fibula involvement or multifocal sites within these bones
- •Confirm right-sided location is documented in the medical record
Clinical Significance
Chronic multifocal osteomyelitis of the right tibia and fibula represents a complex infection of both lower leg bones, significantly impacting weight-bearing and mobility. This condition requires comprehensive treatment due to the bones' critical role in ambulation and high risk for complications.
Documentation Requirements
- ✓Specific documentation of right tibia and fibula involvement
- ✓Evidence of chronicity (>6 weeks duration or recurrent episodes)
- ✓Confirmation of multifocal involvement within both bones
- ✓Radiographic evidence of chronic osteomyelitic changes
- ✓Assessment of weight-bearing capacity and gait function
- ✓Laboratory findings supporting chronic infectious process
- ✓Documentation of treatment approaches and outcomes
- ✓Provider confirmation of chronic multifocal osteomyelitis diagnosis
Commonly Confused Codes
M86.161 — Acute osteomyelitis of right tibia and fibula, acute vs chronicM86.362 — Same condition affecting left tibia and fibulaM86.461 — Chronic osteomyelitis with draining sinus, includes drainageM86.561 — Other chronic hematogenous osteomyelitis, different classificationM87.061 — Idiopathic aseptic necrosis of right tibia, non-infectious
Code Hierarchy
└M86Osteomyelitis└M86.3Chronic multifocal osteomyelitis└M86.36Chronic multifocal osteomyelitis, tibia and fibula└M86.361Chronic multifocal osteomyelitis, right tibia and fibula
└M86.361Chronic multifocal osteomyelitis, right tibia and fibula