D04.9

Approximate Synonyms

• Basal cell carcinoma in situ

• Cancer in situ of skin

• Cancer in situ skin, squamous cell

• Carcinoma in situ of skin

• Carcinoma in situ, basal cell

• Squamous cell carcinoma in situ of skin

Clinical Information

• Abnormal cells are found in the lower part of the epidermis the outer layer of the skin). These abnormal cells may become cancer and spread into nearby normal tissue.

• Stage 0 includes: tis, n0, m0. Tis: carcinoma in situ. N0: no regional lymph node metastasis. M0: no clinical or radiographic evidence of distant metastasis. ajcc 6th and 7th eds.)

• Stage 0: tis: carcinoma in situ; n0: no regional lymph node metastasis; m0: no distant metastasis. based on ajcc cancer staging).

Details

• D04.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• The 2023 edition of ICD-10-CM D04.9 became effective on October 1, 2022.

• This is the American ICD-10-CM version of D04.9 – other international versions of ICD-10 D04.9 may differ.