Non-Billable / Non-Specific Code
ICD-10-CM L05 is the diagnosis code for Pilonidal cyst and sinus. This code falls under the section "Infections of the skin and subcutaneous tissue" within Chapter 12 — Diseases of the skin and subcutaneous tissue (L00-L99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where L05 sits in the ICD-10-CM classification helps ensure proper coding:
No, L05 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
L05 is the ICD-10-CM diagnosis code for "Pilonidal cyst and sinus". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
L05 is located in Section L00-L08 — "Infections of the skin and subcutaneous tissue" within Chapter 12 of the ICD-10-CM Tabular List.
L05 has 2 sub-code(s) that provide more specific detail: L05.0, L05.9.
Use L05 when the patients documented diagnosis matches "Pilonidal cyst and sinus" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Pilonidal cyst and sinus is L05.
No, L05 is non-billable. Use a more specific sub-code for primary diagnosis billing.
L05 is in Chapter 12 of the ICD-10-CM Tabular List.
Yes, L05 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.