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2025 ICD-10-CM code L05.0

Pilonidal cyst and sinus with abscess.

This is a billable code and requires a fifth digit to specify cyst (L05.01) or sinus (L05.02) with abscess.Do not use this code for pilonidal disease without abscess.

Medical necessity for treatment is based on the severity of the infection and symptoms.Treatment aims to resolve the infection and prevent recurrence.

Physicians typically diagnose and manage pilonidal cysts and abscesses.Treatment may include drainage of the abscess, antibiotics, and sometimes surgery to remove the cyst and sinus tracts.

IMPORTANT:Use additional code (B95-B97) to identify infectious agent.

In simple words: This code indicates an infected pilonidal cyst, a small fluid-filled sac near the tailbone, which has formed a painful abscess.

This code represents a pilonidal cyst and sinus accompanied by an abscess. A pilonidal cyst is a fluid-filled sac located in the cleft at the top of the buttocks. A pilonidal sinus is a small tunnel or hole that connects the cyst to the skin surface.When these become infected, they form an abscess, a painful collection of pus.

Example 1: A 25-year-old male presents with pain, swelling, and redness in the natal cleft. Examination reveals a fluctuant mass consistent with a pilonidal abscess., A 30-year-old female with a history of recurrent pilonidal cysts presents with a new abscess.The abscess is drained, and the patient is started on antibiotics., A 40-year-old male undergoes surgical excision of a chronic pilonidal cyst and sinus tract.

Documentation should include the location and characteristics of the cyst and abscess, presence or absence of sinus tracts, and any associated symptoms.Surgical reports should detail the procedure performed.

** For accurate coding, it is crucial to distinguish between pilonidal cyst and sinus, as well as the presence or absence of an abscess. iFrameAI can provide further guidance and current information if needed.

** Only Enterprise users with EHR integration can access case-specific answers. Click here to request access.

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iFrame™ AI's knowledge is aligned with and limited to the materials uploaded by users and should not be interpreted as medical, legal, or any other form of advice by iFrame™.