Unsp inj extensor musc/fasc/tend finger at wrs/hnd lv, subs

This code describes an unspecified injury to the extensor muscles, fascia, or tendons of any finger other than the thumb, occurring at the wrist or hand level. It indicates that the specific nature of the injury (e.g., strain, tear) is not documented.

This code is appropriate for follow-up visits, such as during rehabilitation, cast changes, or medication refills, for a previously diagnosed but unspecified extensor injury to a finger (excluding the thumb) at the wrist or hand. It should be used when the patient is receiving routine care during the healing phase.

• Ensure the encounter is clearly documented as a subsequent visit for an existing injury.
• Verify that the injury involves an extensor structure of a finger other than the thumb, and is located at the wrist or hand.
• Only use this code when the specific type of extensor injury remains unspecified in the medical record.