ICD-10-CM > C00-D49 > C76-C80 > C80 > C80.0 C80.0 Disseminated malignant neoplasm, unspecified Billable/Specific Copy Code Copy Description Applicable To Carcinomatosis NOSGeneralized cancer, unspecified site (primary) (secondary)Generalized malignancy, unspecified site (primary) (secondary)