L05 - Pilonidal cyst and sinus

Version 2023
ICD-10:L05
Short Description:Pilonidal cyst and sinus
Long Description:Pilonidal cyst and sinus
Status: Not Valid for Submission
Version:ICD-10-CM 2023
Code Classification:
  • Diseases of the skin and subcutaneous tissue (L00–L99)
    • Infections of the skin and subcutaneous tissue (L00-L08)
      • Pilonidal cyst and sinus (L05)

L05 is a non-specific and non-billable ICD-10 code code, consider using a code with a higher level of specificity for a diagnosis of pilonidal cyst and sinus. The code is not specific and is NOT valid for the year 2023 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Specific Coding for Pilonidal cyst and sinus

Non-specific codes like L05 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for pilonidal cyst and sinus:

  • NON-BILLABLE CODE - L05.0 for Pilonidal cyst and sinus with abscess
  • BILLABLE CODE - Use L05.01 for Pilonidal cyst with abscess
  • BILLABLE CODE - Use L05.02 for Pilonidal sinus with abscess
  • NON-BILLABLE CODE - L05.9 for Pilonidal cyst and sinus without abscess
  • BILLABLE CODE - Use L05.91 for Pilonidal cyst without abscess
  • BILLABLE CODE - Use L05.92 for Pilonidal sinus without abscess

Patient Education


Tailbone Disorders

The tailbone is the small bone at the bottom of your backbone, or spine. Tailbone disorders include tailbone injuries, pain, infections, cysts and tumors. You rarely break your tailbone. Instead, most injuries cause bruises or pulled ligaments. A backward fall onto a hard surface, such as slipping on ice, is the most common cause of such injuries. Symptoms of various tailbone disorders include pain in the tailbone area, pain upon sitting, pain or numbness in the arms or legs due to pressure on nerves in the tailbone area, and a mass or growth you can see or feel.


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Code History