Collaborative Stage for TNM 7 - Revised 10/07/2009 [
Schema
]
CNSOther
CS Site-Specific Factor 1
WHO Grade Classification
Note: Code the WHO Grade Classification as documented in the medical record.
Code
Description
010
Grade I
020
Grade II
030
Grade III
040
Grade IV
999
Clinically diagnosed/grade unknown
Not documented in medical record
Grade unknown, NOS