Table 2 Billing codes and descriptions used to identify cases

707 with 250

Skin ulcer, bed sore, including Diabetes related ulcer

 R035

Pilonidal cyst – simple excision or marsupialization

 R054

Pilonidal cyst – simple excision or marsupialization if patient’s BMI >40

 R036

Pilonidal cyst – excision and skin shift

 Z106

Abscess or hematoma – local anesthetic – ischiorectal or pilonidal

 Z107

Abscess or hematoma – general anesthetic – ischiorectal or pilonidal