Is L05.9 a billable ICD-10 code?

No. L05.9 is a non-billable header code. Use a more specific subcategory for claims.

L05.9 ⚠ Non-billable

Pilonidal cyst and sinus without abscess

Q: What is ICD-10 code L05.9?

ICD-10-CM code L05.9 stands for "Pilonidal cyst and sinus without abscess". It is a non-billable header code in the Diseases of the Skin and Subcutaneous Tissue chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

ICD-10-CM · FY2026 · Diseases of the Skin and Subcutaneous Tissue

Code

L05.9

System

ICD-10-CM

Billable

No — use specific code

Effective

FY2026

Chapter

Diseases of the Skin and Subcutaneous Tissue

Source

CMS / CDC NCHS

⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Frequently asked questions

What is ICD-10 code L05.9?

ICD-10-CM code L05.9 represents Pilonidal cyst and sinus without abscess. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Skin and Subcutaneous Tissue chapter, effective October 1, 2025 – September 30, 2026.

Is L05.9 billable?

No. L05.9 is a non-billable header. Select a more specific subcategory for claims submission.

What chapter is L05.9 in?

L05.9 belongs to the Diseases of the Skin and Subcutaneous Tissue chapter (L00–L99) of ICD-10-CM.

Related codes in the L05 category

L05 Pilonidal cyst and sinus Non-billable L05.0 Pilonidal cyst and sinus with abscess Non-billable L05.01 Pilonidal cyst with abscess Billable L05.02 Pilonidal sinus with abscess Billable L05.91 Pilonidal cyst without abscess Billable L05.92 Pilonidal sinus without abscess Billable

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