Final answer:
The priority nursing diagnosis for a 16-year-old boy with acute myelogenous leukemia and incomplete records for varicella zoster immunization would be 'Risk for infection related to neutropenia and immunosuppression'.
Step-by-step explanation:
The priority nursing diagnosis for a 16-year-old boy with acute myelogenous leukemia and incomplete records for varicella zoster immunization would be Risk for infection related to neutropenia and immunosuppression. This is because individuals with leukemia are at a higher risk for infections due to a weakened immune system. Neutropenia, a low level of neutrophils (a type of white blood cell), further increases this risk. It is essential for the nurse to prioritize infection prevention and management in order to ensure the safety and well-being of the patient.