Inj flexor musc/fasc/tend thmb at forearm level, sequela

This code signifies a long-term complication or residual effect stemming from a previous injury to the flexor muscles, fascia, or tendons of an unspecified thumb, specifically at the forearm level. This indicates that the initial injury has healed, but the patient continues to experience ongoing issues directly related to that past trauma.

This code is appropriate when documenting a patient presenting with chronic pain, weakness, limited range of motion, or other persistent functional deficits in the thumb or forearm, which are directly attributable to a prior flexor injury at the forearm level. It should be used when the acute phase of the original injury has passed, and the current encounter addresses these lasting sequelae.

• Always ensure documentation clearly links the current condition to a previous injury.
• Requires a seventh character "S" for sequela, indicating a late effect.
• Do not use for acute injuries; refer to the appropriate acute injury codes.