Unsp inj intrns musc/fasc/tend r thm at wrs/hnd lv, sequela

This code signifies a long-term complication or late effect resulting from an unspecified injury to the intrinsic muscles, fascia, or tendons of the right thumb, specifically at the wrist or hand level. This could manifest as chronic pain, weakness, limited range of motion, or deformity that persists after the initial injury has healed.

This code is appropriate when documenting a patient presenting with residual symptoms or conditions directly attributable to a past, unspecified injury of the intrinsic thumb structures on the right side. It should be used for follow-up encounters addressing these persistent issues, not for the initial acute injury.

• Always ensure documentation clearly links the current condition to a previous injury.
• Verify the injury site is specifically the intrinsic muscles, fascia, or tendons of the right thumb at the wrist/hand level.
• This "S" (sequela) seventh character indicates a late effect; do not use for initial or subsequent acute care.