L05.91

Applicable To

• Pilonidal dimple

• Postanal dimple

• Pilonidal cyst NOS

Approximate Synonyms

• Cyst – pilonidal

• Pilonidal cyst

• Pilonidal cyst, recurrent or chronic, without abscess

• Sacral dimple

Clinical Information

• A hair-containing cyst or sinus, occurring chiefly in the coccygeal region.

• A sacral dimple, or pilonidal dimple, is a small hollow area or sinus present at birth and located just above the crease of the buttocks. In most cases, pilonidal dimples are benign and may just be accompanied by increased hair growth in the area.

Details

• L05.91 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• The 2023 edition of ICD-10-CM L05.91 became effective on October 1, 2022.

• This is the American ICD-10-CM version of L05.91 – other international versions of ICD-10 L05.91 may differ.