M89.669
BillableOsteopathy after poliomyelitis, unspecified lower leg
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
Bone disease that develops as a complication of poliomyelitis affecting the lower leg, but the specific side (left or right) is not documented or specified.
Coding Tips
- •This is a less specific code; attempt to obtain laterality information from the provider when possible
- •Use only when the medical record does not specify which lower leg is affected
Clinical Significance
Unspecified lower leg osteopathy after poliomyelitis represents a chronic bone complication from previous polio infection with potential for ongoing functional impairment. This diagnosis has risk adjustment significance as it indicates complex orthopedic sequelae requiring specialized care and long-term monitoring.
Documentation Requirements
- ✓Documentation of previous poliomyelitis infection in patient history
- ✓Evidence of osteopathy affecting the lower leg region
- ✓Specification that laterality (right or left) is not documented or determinable
- ✓Clinical presentation of bone changes or functional limitations in lower leg
- ✓Imaging studies showing bone abnormalities consistent with post-polio changes
- ✓Provider assessment linking current bone condition to prior polio infection
- ✓Documentation of impact on ambulation or lower extremity function
- ✓Evidence that this represents a late complication rather than acute condition
Commonly Confused Codes
M89.661/M89.662 — Osteopathy after poliomyelitis, right/left lower leg - when laterality is actually specifiedG14 — Postpolio syndrome - neurological rather than bone manifestationM89.60 — Osteopathy after poliomyelitis, unspecified site - lacks anatomic specificity to lower legM21.069 — Valgus deformity, not elsewhere classified, unspecified lower leg - specific deformity rather than general osteopathyM25.561/M25.562 — Pain in knee - symptom rather than underlying bone pathology
Code Hierarchy
└M89Other disorders of bone└M89.6Osteopathy after poliomyelitis└M89.66Osteopathy after poliomyelitis, lower leg└M89.669Osteopathy after poliomyelitis, unspecified lower leg
└M89.669Osteopathy after poliomyelitis, unspecified lower leg