Ingrowing nail

This code represents an onychocryptosis, a common condition where the corner or side of a toenail or fingernail grows into the soft flesh. This typically results in pain, redness, swelling, and sometimes infection around the affected nail. It most frequently affects the great toe.

Use this code when documentation clearly indicates an ingrown nail, regardless of the presence of infection. This diagnosis is appropriate for initial encounters, follow-up visits, or when surgical correction (e.g., partial or complete nail avulsion) is performed for this condition.

• Do not use this code if the documentation specifies a congenital malformation of the nail; refer to codes in the 757 series.
• If an infection is present and documented, an additional code for the infection (e.g., cellulitis, paronychia) should be assigned.
• Be mindful of laterality if specified in the documentation, though ICD-9-CM 703.0 does not allow for laterality distinction.