L05
Non-billablePilonidal cyst and sinus
L05 is the ICD-10-CM code for Pilonidal cyst and sinus. It is a non-billable category code — use a more specific child code such as L05.0 for billing.
- Status
- Header (non-billable)
- Chapter
- L00-L99
- Subcodes
- 2
- Edition
- FY2026
L00-L99 Diseases of the skin and subcutaneous tissue
What this means — in plain language
MedlinePlus · NIHThe 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…
Read more about Tailbone Disorders at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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