A 30-year-old female patient was seen in the ED with complaints of diarrhea for the past four days. She was also complaining of lower abdominal pain. After examination, the patient was diagnosed with viral gastroenteritis. She was instructed to drink plenty of fluids and to begin eating solids only after the diarrhea has subsided. What diagnosis code(s) would be reported for this encounter?
a. R10.31, R19.7
b. K52.9
c. A08.4, R10.84, R19.7
d. A08.4