M87.838
BillableOther osteonecrosis of left carpus
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 carpal bones (small bones in the wrist) due to causes other than trauma or infection, leading to bone deterioration and potential collapse.
Coding Tips
- •Verify left side documentation to ensure accurate laterality coding
- •Scaphoid osteonecrosis is common; note if this specific carpal bone is involved in clinical documentation
Clinical Significance
Left carpus osteonecrosis represents a serious condition affecting the small bones of the left wrist, with potential for severe functional disability and chronic pain. This diagnosis has important risk adjustment implications due to the complex care requirements and potential need for specialized surgical interventions.
Documentation Requirements
- ✓Clear specification of the left carpal bones as affected by osteonecrosis
- ✓Documentation that the condition results from causes other than idiopathic or drug-related
- ✓High-resolution imaging (MRI, CT scan) confirming left carpal bone necrosis
- ✓Clinical presentation including left wrist pain, reduced range of motion, and functional impairment
- ✓Exclusion of infectious or traumatic etiologies
- ✓Assessment of impact on hand dominance and activities of daily living
- ✓Documentation of any contributing medical conditions or risk factors
- ✓Provider evaluation of treatment complexity and prognosis
Commonly Confused Codes
M87.038 — Idiopathic aseptic necrosis of left carpus - specifically idiopathic etiologyM87.039 — Idiopathic aseptic necrosis of unspecified carpus - different cause and unspecified lateralityM86.838 — Other osteomyelitis, left carpus - infectious bone disease rather than necrosisS62.102A — Fracture of unspecified carpal bone, left wrist - acute injury rather than chronic necrosisM25.532 — Pain in left wrist - symptom code rather than specific bone pathology
Code Hierarchy
└M87Osteonecrosis└M87.8Other osteonecrosis└M87.83Other osteonecrosis of radius, ulna and carpus└M87.838Other osteonecrosis of left carpus
└M87.838Other osteonecrosis of left carpus