Sprain of metacarpophalangeal joint of left thumb, sequela

This code indicates a long-term or late-effect condition resulting from a previous sprain of the joint connecting the thumb's metacarpal bone to its first phalanx on the left hand. This could encompass persistent pain, stiffness, instability, or functional limitations that arose after the initial injury has healed.

Use this code when documenting a patient presenting with ongoing symptoms directly attributable to a past sprain of the left thumb's metacarpophalangeal joint. This applies to follow-up encounters for chronic issues, such as residual weakness or recurrent pain, that are a direct consequence of the original sprain.

• Always sequence this 'S' code after the code(s) identifying the specific sequela (e.g., chronic pain, instability).
• Ensure documentation clearly links the current condition to a previously sustained left thumb MCP joint sprain.
• Do not use for acute or initial encounters of a sprain; those require codes from the acute injury section.