Pilonidal cyst and sinus (L05) ICD-10-CM
The L05 code range covers pilonidal cyst and sinus with 7 ICD-10-CM diagnosis codes. 4 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Codes in the L05 Range 7 codes · 4 billable
- L05 Pilonidal cyst and sinusNon-billable
- L05.0 Pilonidal cyst and sinus with abscessNon-billable
- L05.01 Pilonidal cyst with abscess
- L05.02 Pilonidal sinus with abscess
- L05.9 Pilonidal cyst and sinus without abscessNon-billable
- L05.91 Pilonidal cyst without abscess
- L05.92 Pilonidal sinus without abscess
About the L05 Code Range
Pilonidal cysts and sinuses appear in the skin and underlying tissue infection group. This category distinguishes them by whether an abscess is present.
L05.0 groups cases with an abscess, separating a cyst (L05.01) from a sinus (L05.02). L05.9 groups cases without an abscess, with separate codes for a cyst (L05.91) and a sinus (L05.92).
Questions About This Page
How many billable codes are in the L05 range?
Of the 7 codes in this range, 4 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the L05 range classify?
The range classifies pilonidal cyst and sinus. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
