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Two office visits within the past 12 months?	No	Look for a minimum of two distinct encounters within 12 months of the date of the current visit for which each of the following is true: • the encounter diagnosis (primary or secondary or co-morbidity diagnosis) is listed in the CDC Malignant Cancer Conditions value set	Office Visit	Encounter	Encounter.class and Encounter.period.start
Office visits with an oncology specialist present?	No	• The encounter is performed by an oncologist as defined in the oncology specialty designations using the National Uniform Claim Committee (NUCC) classifications	Oncology specialty designations (NUCC)	PractitionerRole and Encounter	PractitionerRole.specialty, Encounter.participant.type, and Encounter.participant.individual
Office visits including CDC malignant cancer condition?	No	• The encounter diagnosis (primary or secondary or co-morbidity diagnosis) is listed in the CDC Malignant Cancer Conditions value set	CDC malignant cancer conditions	Condition and Encounter	Condition.category, Condition.code, and Encounter.diagnosis