Intense Outpatient treatment, outpatient rehab and outpatient methadone/buprenorphine or naltrexone treatment 3B1 expresses question over the event, in truth expects it not to occur. 3B2 expresses uncertainty, it would or might not take place. 3B3 expects that it will take place. The plural Edition is more popular according to Google https://cmsgp.health/cardiology_services_testing.php