Integrated Billing and Coding Practice Test 2026 – The Complete All-in-One Guide to Master Your Certification!

When hypertension is caused by another condition, you must capture both parts: the underlying etiology and the hypertension itself. The hypertension is a manifestation of the other disease, so coding both ensures the full clinical picture is documented and reimbursed correctly. In practice, you assign a code for the underlying condition first, then a separate code for the hypertensive disorder. For example, hypertension due to renal disease would be coded with a renal etiology code plus a hypertension code. This is why the option stating two codes are required—one for the underlying etiology and one for the hypertension—is the best choice. Coding only the hypertension would miss the root cause, and coding only the underlying condition would miss the high blood pressure itself.