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

This code signifies a long-term complication or late effect resulting from an unspecified injury to the long flexor muscle, fascia, or tendon of the thumb. The injury's exact nature is not documented, and it occurred at the wrist or hand level. This code is used when the initial injury has healed, but residual problems persist.

Use this code when documenting a patient presenting with a current condition directly attributable to a past, unspecified injury of the thumb's long flexor structures. This applies when the acute phase of the original injury has passed, and the current encounter addresses a sequela such as chronic pain, stiffness, weakness, or functional limitation.

• Always sequence this code after the code describing the specific sequela (e.g., chronic pain, scar contracture).
• Avoid using this code if the acute injury is still being treated; instead, use an acute injury code.
• Ensure documentation clearly links the current condition to a previous, unspecified injury of the thumb's long flexor.