Hx of squamous carcinoma in situ icd 10 July 8, 2019 16 32 64 128 Hx of squamous cell carcinoma in situ icd 10 Hx of squamous cell carcinoma in situ of skin icd 10 Squamous carcinoma in situ icd 10 Squamous cell carcinoma in situ icd 10