Add two more nonroutine supply codes to the home health consolidated billing list as of July 1: A4436 (Irrigation supply; sleeve, reusable, per month) and A4437 (Irrigation supply; sleeve, disposable, per month). The codes replace A4397 (Irrigation supply sleeve on the home health (HH)), the Centers for Medicare & Medicaid Services says. A link to the recently updated consolidated billing master list is at .