This value set includes codes based on the following rules:

• Include these codes as defined in http://hl7.org/fhir/sid/cvx version 20200722

  Code	Display
  04	measles and rubella virus vaccine
  05	measles virus vaccine
  03	measles, mumps and rubella virus vaccine
  94	measles, mumps, rubella, and varicella virus vaccine
  07	mumps virus vaccine
  998	no vaccine administered
  06	rubella virus vaccine
  38	rubella and mumps virus vaccine
  999	unknown vaccine or immune globulin

• Include these codes as defined in http://terminology.hl7.org/CodeSystem/v3-NullFlavor version 20090501

  Code	Display
  OTH	other