L05
Non-billablePilonidal cyst and sinus
Pilonidal cyst and sinus
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •lipomelanotic reticulosisI89.8
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •systemic connective tissue disordersM30-M36
- •viral wartsB07
- •hordeolumH00.0
- •infective dermatitisL30.3
- local infections of skin classified in Chapter 1
- •lupus panniculitisL93.2
- •panniculitis NOSM79.3
- •panniculitis of neck and backM54.0
- •Perlèche NOSK13.0
- •Perlèche due to candidiasisB37.0
- •Perlèche due to riboflavin deficiencyE53.0
- •pyogenic granulomaL98.0
- •relapsing panniculitis [Weber-Christian]M35.6
- •zosterB02
Use Additional Code
Additional codes that should follow this code
Child Codes (2)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(24)
UMLS
- Cyst - pilonidalC0031925
- Cyst, PilonidalC0031925
- Cysts, PilonidalC0031925
- PILONIDAL SINUSC0031925
- Piliferous cystC0031925
- Pilonidal CystC0031925
- Pilonidal CystsC0031925
- Pilonidal SinusC0031925
- Pilonidal cystC0031925
- Pilonidal cyst (disorder)C0031925
- Pilonidal cyst (morphologic abnormality)C0031925
- Pilonidal cyst NOSC0031925
- Pilonidal cyst and sinusC0031925
- Pilonidal sinusC0031925
- Sinus, PilonidalC0031925
- coccygeal sinusC0031925
- cyst pilonidalC0031925
- pilonidal cystC0031925
- pilonidal cyst sinusC0031925
- pilonidal cystsC0031925
- pilonidal sinusC0031925
- pilonidal sinus cystC0031925
- pilonidal sinus/cyst (non-specific)C0031925
- sinus pilonidalC0031925
Frequently Asked Questions
What is the ICD-10 code for pilonidal cyst and sinus?
The ICD-10-CM code for pilonidal cyst and sinus is L05. The full clinical description is "Pilonidal cyst and sinus". L05 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code L05 mean?
ICD-10-CM code L05 represents “Pilonidal cyst and sinus”. It is classified under Chapter 12: Diseases of the Skin and Subcutaneous Tissue and is a non-billable header code. Use a more specific child code for billing purposes.
Is L05 a billable code?
No, L05 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under L05.
What chapter is L05 in?
L05 is in Chapter 12: Diseases of the Skin and Subcutaneous Tissue (codes L00-L99).
What are the subcategories under L05?
L05 has 2 child codes, including: L05.0 (Pilonidal cyst and sinus with abscess), L05.9 (Pilonidal cyst and sinus without abscess).
Are additional codes required with L05?
Yes, when using L05, also report: code (B95-B97) to identify infectious agent..
What are the UMLS CUIs for L05?
L05 is linked to 1 UMLS Concept Unique Identifier: C0031925. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does L05 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like pilonidal cyst and sinus affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of L05?
L05 maps to the ICD-11 code: EG63.1 (Sacrococcygeal pilonidal cyst).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.