A renal disorder refers to any disease of the kidneys.
Urological disorders are diseases of the kidneys and urinary tract. This includes the kidneys, ureters, urinary bladder, and urethra, as well as the male reproductive organs, including the testes, epididymis, vas deferens, seminal vesicles, prostate, and penis.
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Germann CA, Holmes JA. Selected urologic disorders. In: Walls RM, Hockberger RS, Gausche-Hill M, eds. Rosen's Emergency Medicine: Concepts and Clinical Practice. 9th ed. Philadelphia, PA: Elsevier; 2018:chap 89.