Strain long flexor musc/fasc/tend thmb at wrs/hnd lv, sqla

This code signifies a chronic or late-effect condition resulting from a previous strain injury to the long flexor muscle, fascia, or tendon of an unspecified thumb. This injury affects the thumb at the wrist and hand level, indicating persistent symptoms or complications after the initial acute phase has resolved.

Apply this code when documenting a patient presenting with ongoing issues, such as chronic pain, weakness, or limited range of motion, directly attributable to a past strain of the long flexor structures of the thumb. This is appropriate for follow-up encounters where the sequela of the original injury is being treated or evaluated.

• Always use this code as a secondary diagnosis, following a code that describes the specific sequela being treated (e.g., chronic pain, contracture).
• Ensure documentation clearly links the current condition to a previous strain of the long flexor of the thumb.
• Verify that the injury location is specified as the wrist and hand level, and the affected thumb is unspecified.