CS Site-Specific Factor 1

OBSOLETE - WHO Grade Classification

Notes

**Note 1**: This CS Site-Specific Factor is obsolete beginning with CS Version 2 (codes and notes).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.

Default

988

NAACCR Item

NAACCR #2880
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
Not documented in medical record
Grade unknown, NOS