Contusion of left thumb without damage to nail, subs encntr

This code signifies a bruise to the left thumb that does not involve injury to the nail structure. It indicates that the patient is presenting for follow-up care or subsequent treatment of this specific injury after the initial encounter.

This code is appropriate for office visits, emergency department visits, or other healthcare encounters where a patient is being seen for ongoing management, evaluation, or treatment of a previously diagnosed left thumb contusion without nail damage. It applies after the initial diagnosis and treatment have been rendered.

• Ensure documentation clearly states "left thumb" and "contusion without damage to nail."
• The "D" seventh character indicates a subsequent encounter, meaning the patient is receiving routine care during the healing phase.
• Distinguish from initial encounters (A) or sequela (S) encounters.