Sprain of metacarpophalangeal joint of right thumb, sequela

This code signifies a long-term or late-effect condition resulting from a sprain to the metacarpophalangeal (MCP) joint of the right thumb. It indicates that the initial injury has resolved, but the patient continues to experience residual symptoms or complications directly attributable to that past sprain.

Use this code when documenting a patient presenting with chronic pain, stiffness, instability, or other persistent issues in the right thumb's MCP joint, where these symptoms are a direct consequence of a previously sustained sprain. This applies to follow-up encounters after the acute phase of the injury has passed.

• Always assign this code as a secondary diagnosis, following the code for the specific sequela (e.g., chronic pain, arthritis).
• Ensure documentation clearly links the current symptoms to a prior right thumb MCP joint sprain.
• Do not use for acute or subacute sprains; those require codes from the initial or subsequent encounter categories.