Site-Specific Factor 1(Other CNS)

WHO Grade Classification

Note: Code the WHO Grade Classification as documented in the medical record for sites C70.1 and C70.9 only. For all other sites in this schema enter code 999.

Code Description
010 Grade I
020 Grade II
030 Grade III
040 Grade IV
  • Clinically diagnosed/grade unknown
  • Not documented in medical record
  • Grade unknown, NOS
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