Acute Peptic Ulcer of Stomach with Perforation Test your skills with a new coding question from Clinical Coding Workout every Monday. Select the correct code for acute peptic ulcer of stomach with perforation. K27.1 K27.5 K25.5 K25.1Source: AHIMA Press. Clinical Coding Workout, 2019. https://my.ahima.org/store/product?id=65592. Leave a comment