Analysis Code, 4000U. Test Name, Propranolol, Urine. Test Includes, Propranolol. Compound Synonyms, Inderal®. Purpose, Therapeutic Drug Monitoring;. You should not use hydrochlorothiazide and propranolol if you have a. Your blood and urine may both be tested if you have been vomiting or are dehydrated. If you need surgery or medical tests, tell the doctor ahead of time that you are.