Unspecified subluxation of left thumb, sequela

This code signifies a long-term or late effect resulting from an unconfirmed partial dislocation of the left thumb. The initial injury has healed, but the patient is now experiencing residual symptoms or complications directly attributable to that past subluxation.

Apply this code when documenting a patient presenting with ongoing issues, such as chronic pain, instability, or limited range of motion, in the left thumb, where these symptoms are a direct consequence of a previously sustained, but unspecified, subluxation. This code is appropriate for follow-up encounters addressing these persistent problems after the acute phase of the original injury has passed.

• Always sequence this "S" code as a secondary diagnosis, following the code for the specific sequela being treated (e.g., chronic pain, instability).
• Ensure documentation clearly links the current symptoms to a past left thumb subluxation.
• Avoid using this code for acute or initial encounters of a left thumb subluxation; those would use the acute injury codes.