Wiki epidermal inclusion cyst

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Code: L72.0

Code Name: ICD-10 Code for Epidermal cyst

Block: Disorders of skin appendages (L60-L75)

Excludes 1: congenital malformations of integument (Q84.-)

Details: Epidermal cyst

Guidelines: Diseases of the skin and subcutaneous tissue (L00-L99)

Excludes 2: 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.-)

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Best answers

Epidermis is the superficial external portion of skin and the term itself denotes cyst of skin. Moreover if you try with codebook option in 3M, you can get main term as Inclusion with ('epidermal') as paranthesis which lead you to 706.2.