The ICD-9 code range CARCINOMA IN SITU for 230-234 is medical classification list by the World Health Organization (WHO).
Carcinoma in situ of digestive organs
Carcinoma in situ of respiratory system
Carcinoma in situ of skin
Carcinoma in situ of breast and genitourinary system
Carcinoma in situ of other and unspecified female genital organs