The morphology code records the type of cell that has become neoplastic and its biologic activity; in other words, it records the kind of tumor that has developed and how it behaves.

What are ICD codes?

ICD-O CODE is the International Classification of Diseases for Oncology code which is used to identify the CODED CLINICAL ENTRY.

What is the difference between ICD 0 and ICD 10?

Appropriate ICD-10 categories for each site of the body are then listed in alphabetic order. Figure 2 shows the entry for lung neoplasms. In contrast, ICD-O uses only one set of four characters for topography (based on the malignant neoplasm section of ICD-10); the topography code (C34.