M87.375
BillableOther secondary osteonecrosis, left 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
0.000RxHCCHCC 80 — Bone/Joint/Muscle Infections/Necrosis
0.000What This Code Means
Death of bone tissue in the left foot caused by an underlying condition or treatment such as corticosteroid use, radiation therapy, or previous injury.
Coding Tips
- •Document which specific foot bones are involved to provide complete clinical information
- •Link to the underlying cause of secondary osteonecrosis for comprehensive medical record documentation
Clinical Significance
This diagnosis represents secondary osteonecrosis of the left foot caused by underlying conditions such as corticosteroid use, radiation therapy, or previous injury, which can significantly impact weight-bearing and mobility. It requires management of the causative factor and monitoring for progression.
Documentation Requirements
- ✓Documentation of osteonecrosis affecting left foot bones
- ✓Identification of underlying cause (e.g., corticosteroid use, radiation therapy, diabetes complications)
- ✓Imaging findings confirming foot bone necrosis (MRI, X-ray, CT)
- ✓Clinical symptoms such as foot pain, swelling, or difficulty walking
- ✓Specific foot bones affected (metatarsals, tarsal bones, etc.)
- ✓Functional limitations affecting ambulation
- ✓Duration and progression of condition
- ✓Treatment history including offloading and surgical interventions
Commonly Confused Codes
M87.374 — Other secondary osteonecrosis, right foot (different laterality)M87.376 — Other secondary osteonecrosis, unspecified foot (laterality not specified)M86.172 — Chronic osteomyelitis of left foot (infection vs necrosis)S92.902A — Unspecified fracture of unspecified foot (acute fracture vs necrosis)M87.378 — Other secondary osteonecrosis, left toe(s) (foot vs toe specificity)
Code Hierarchy
└M87Osteonecrosis└M87.3Other secondary osteonecrosis└M87.37Other secondary osteonecrosis, ankle and foot└M87.375Other secondary osteonecrosis, left foot
└M87.375Other secondary osteonecrosis, left foot