All diagnostic requirements for Psychological or behavioural factors affecting transtornos or diseases classified elsewhere are met. The individual is diagnosed com a mental, behavioural, or neurodevelopmental transtorno that adversely affects the manifestation, treatment, or course of a transtorno or disease classified in another chapter (e.g., a woman com Bulimia nervosa and Type 1 diabetes mellitus who skips insulin doses as a way to avoid weight gain that would otherwise be caused by her binge eating).