Collaborative Stage

Collaborative Stage for TNM 7 - Revised 12/30/2009 [ Schema ]

CS Site-Specific Factor 1
OBSOLETE (WHO Grade Classification)

Note 1: This CS Site-Specific Factor is obsolete beginning with CS Version 2 (codes and notes). Old data are retained, but new cases are not coded with this Factor. Use code 988 for this field.
Note 2: WHO grade applies only to C75.1 pituitary gland, C75.2 craniopharyngeal duct, and C75.3 pineal gland. Assign code 999 for all other topographies in this schema.
Note 3: Code the WHO Grade Classification as documented in the medical record.

Code	Description
010	OBSOLETE DATA RETAINED V0200 Grade I
020	OBSOLETE DATA RETAINED V0200 Grade II
030	OBSOLETE DATA RETAINED V0200 Grade III
040	OBSOLETE DATA RETAINED V0200 Grade IV
988	Not applicable for this schema (CS Version 2)
999	OBSOLETE DATA RETAINED V0200 Clinically diagnosed/grade unknown Does not apply (CS Version 1) Not documented in medical record Grade unknown, NOS