Partial traumatic MCP amputation of left thumb, init

This code signifies a traumatic injury involving the partial amputation of the left thumb at the metacarpophalangeal (MCP) joint. It indicates that some portion of the thumb distal to the MCP joint remains, but there has been a traumatic loss of tissue. This is an acute injury requiring immediate medical attention.

Apply this code for initial encounters involving patients presenting with a traumatic partial amputation of the left thumb at the MCP joint. This includes situations where the patient is first seen for evaluation, surgical repair, or initial wound care following the injury. It is appropriate for both emergency department visits and initial consultations with specialists.

• Ensure documentation clearly specifies "partial" amputation and the exact joint (MCP) involved.
• Verify the laterality (left thumb) is accurately documented.
• Confirm this is the "initial encounter" for the injury; subsequent care will require different encounter characters.