All malignancies with an International Classification of Diseases for Oncology, Second Edition (ICD-0-2) behavior code of /2 (carcinoma in situ) or /3 (malignant) must be reported to the Indiana State Cancer Registry. Diagnoses with a behavior code of /0 (benign) or /1 (uncertain whether benign or malignant) are not reportable to the State Cancer Registry.
Conditions are to be reported if the diagnosis includes the words:
Cancer
Carcinoma (except localized basal or squamous cell carcinomas of the skin)
Leukemia
Lymphoma
Malignant
Melanoma
Sarcoma
The following terms, used as adjectives, are also to be reported when used in the description of a malignancy:
Anaplastic
Histiocytic
Intraepithelial
Keratinizing
Medullary
Moderately differentiated
Non-keratinizing
Poorly differentiated
Small cell
Well differentiated