ICD-10-CM L05: Pilonidal cyst and sinus

ICD-10-CM Diagnosis Code (2025)

Official Description for L05

Pilonidal cyst and sinus

Coding Notes & Guidelines for L05

Excludes2: Not Included Here
  • congenital sacral dimple (Q82.6)
  • parasacral dimple (Q82.6)
Excludes2: Not Included Here
  • congenital sacral dimple (Q82.6)
  • parasacral dimple (Q82.6)
Inclusion Terms
  • Pilonidal abscess
  • Pilonidal dimple with abscess
  • Postanal dimple with abscess
Inclusion Terms
  • Coccygeal fistula with abscess
  • Coccygeal sinus with abscess
  • Pilonidal fistula with abscess
Inclusion Terms
  • Pilonidal dimple
  • Postanal dimple
  • Pilonidal cyst NOS
Inclusion Terms
  • Coccygeal fistula
  • Coccygeal sinus without abscess
  • Pilonidal fistula

Child Codes (More Specific Codes for L05):

L05.0 - Pilonidal cyst and sinus with abscess L05.01 - Pilonidal cyst with abscess L05.02 - Pilonidal sinus with abscess L05.9 - Pilonidal cyst and sinus without abscess L05.91 - Pilonidal cyst without abscess L05.92 - Pilonidal sinus without abscess

About ICD-10-CM Code L05 (Pilonidal cyst and sinus)

ICD-10-CM code L05 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM L05 became effective on October 1, 2024.

This page provides detailed information about L05 - Pilonidal cyst and sinus. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Pilonidal cyst and sinus.