ICD-10-CM > L00-L99 > L00-L08 > L05 > L05.0 > L05.01 L05.01 Pilonidal cyst with abscess Billable/Specific Copy Code Copy Description Applicable To Pilonidal abscessPilonidal dimple with abscessPostanal dimple with abscess Type 2 Excludes congenital sacral dimple (Q82.6)parasacral dimple (Q82.6)