L05.91 Pilonidal cyst without abscess
Instructional Notes:
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L05.91
Description: Pilonidal cyst without abscess
Exclude2:
- congenital sacral dimple (Q82.6)
- parasacral dimple (Q82.6)
Inclusion Term:
- Pilonidal dimple
- Postanal dimple
- Pilonidal cyst NOS
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L05.9
Description: Pilonidal cyst and sinus without abscess
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L05
Description: Pilonidal cyst and sinus
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L00-L08
Description: Infections of the skin and subcutaneous tissue (L00-L08)
Exclude2:
- hordeolum (H00.0)
- infective dermatitis (L30.3)
- local infections of skin classified in Chapter 1
- lupus panniculitis (L93.2)
- panniculitis NOS (M79.3)
- panniculitis of neck and back (M54.0-)
- Perlèche NOS (K13.0)
- Perlèche due to candidiasis (B37.0)
- Perlèche due to riboflavin deficiency (E53.0)
- pyogenic granuloma (L98.0)
- relapsing panniculitis [Weber-Christian] (M35.6)
- viral warts (B07.-)
- zoster (B02.-)
Use Additional Code:
- code (B95-B97) to identify infectious agent.
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L00-L99
Description: Diseases of the skin and subcutaneous tissue
Exclude2:
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- lipomelanotic reticulosis (I89.8)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- viral warts (B07.-)