This value set includes codes based on the following rules:

• Include these codes as defined in https://ctep.cancer.gov/protocoldevelopment/electronic_applications/docs/CTCAE_v5_Quick_Reference_8.5x11.pdf version "5.0"

  Code	Display
  1	Mild; asymptomatic or mild symptoms; clinical or diagnostic observations only; intervention not indicated.
  2	Moderate; minimal, local or noninvasive intervention indicated; limiting ageappropriate instrumental ADL.
  3	Severe or medically significant but not immediately life-threatening; hospitalization or prolongation of hospitalization indicated; disabling; limiting self care ADL
  4	Life-threatening consequences; urgent intervention indicated.
  5	Death related to AE.

• Include these codes as defined in http://terminology.hl7.org/CodeSystem/umls

  Code	Display
  C0439673	Unknown