Objectives: This study aims to develop a form capable of identifying delirium in children.Methods: To develop this form, the Delphi method was used in this study and involved the participation of specialistswho have conducted scientific studies and health professionals who have previously worked in the field of pediatricsintensive care. A total of 47 items were selected from the responses given in the first stage, and these items were thenprepared in the form of a five-point Likert-type questionnaire for the second stage and delivered to 46 people who participated in the first stage. The second stage was completed with 38 respondents. After the completion of the secondstage, the items underwent statistical analysis and were delivered to the same 38 people. Central tendency measures,including percentage, mean, standard deviation, median, first quarter and third quarter, and range were used to evaluate the data. Median, First Quarter (Q1), Third Quarter (Q3) and Width (Q3-Q1) are the statistical measures used toidentify compromised items in the analysis of data collected by the Delphi method.Results: According to the results from the Delphi method, the participants agreed on 32 items for delirium determination in children. The most important diagnostic criteria for delirium in children was defined by the consensus derivedfrom the Delphi method.Conclusion: It was concluded that the delirium diagnosis form for children that was developed using the Delphimethod may be suitable for nurses working in intensive care units. As this study was strictly qualitative in nature, itis recommended that the form this study developed based on the opinions of experts, be quantitatively analyzed tofurther confirm its suitability for the diagnosis of delirium, which is difficult for nurses to diagnose in pediatric patientshospitalized in intensive care units.