[Solved] Chronic ulcerative proctitis with fistula. ICD-10-CM Code:____________________ Informed Consent: A process ensuring that a person fully understands and agrees to the terms and conditions of a procedure or activity, especially in the context of healthcare and research. Sexual Behavior: Actions that individuals engage in to express their sexuality, including physical intimacy and erotic activities. Survey Research Method: A systematic collection of data from individuals using questionnaires or interviews to study and analyze opinions or behaviors. Casual Sex: Sexual activities occurring outside of a formal relationship without the expectation of commitment or emotional attachment.