ICD-10-CM Guideline: Section /V. N - Ambulatory Surgery:
For ambulatory surgery, code the diagnosis for which the
surgery was performed if the postoperative diagnosis is known
to be different from the pre-operative diagnosis at the time the
diagnosis is confirmed, select the postoperative diagnosis for
coding, since it is the most definitive.
Part 1 - Scenarios (7.5 points for each correct answer):
1. A patient is currently receiving chemotherapy for liver
cancer is admitted to observation two days after their last
treatment with nausea and vomiting.
First-Listed Diagnosis:
Secondary Diagnoses:
Title of Outpatient Guideline that applies to this case: