Other disorders of continuity of bone, left hand

This code signifies a disruption in the normal structure or integrity of the bone in the left hand, excluding fractures due to trauma or osteoporosis. This can encompass conditions like stress fractures, nonunion, malunion, or pathological fractures not otherwise specified, affecting any bone within the left hand.

Apply this code when documentation indicates a non-traumatic, non-osteoporotic discontinuity of a bone in the left hand. This includes instances of bone necrosis, bone cyst with pathological fracture, or other specified bone disorders leading to a break in bone continuity. Supporting documentation should clearly specify the left hand and the nature of the bone disorder.

• Ensure the documentation explicitly states "left hand" to differentiate from the right hand or unspecified laterality.
• Distinguish this from traumatic fractures (S62.-) and osteoporotic fractures (M80.-) which have their own specific code categories.
• Always look for an underlying cause for the bone discontinuity; if a more specific diagnosis (e.g., bone tumor with pathological fracture) is documented, code that first.