ICD-10-CM > L00-L99 > L00-L08 > L05 L05 Pilonidal cyst and sinus Non-Billable/Non-Specific Codes L05.0Pilonidal cyst and sinus with abscessL05.01Pilonidal cyst with abscessL05.02Pilonidal sinus with abscessL05.9Pilonidal cyst and sinus without abscessL05.91Pilonidal cyst without abscessL05.92Pilonidal sinus without abscess