HCPCS code J3420 is used to report the injection of vitamin B-12 cyanocobalamin, up to 1000 mcg, administered by a non-oral route such as intramuscular or subcutaneous injection
The active ingredient in Wegovy, semaglutide, works by activating a receptor in the pancreas (GLP-1)
Pharmacokinetically, maximum concentration is reached 1 to 3 days post dose and steady-state exposure follows 4 to 5 weeks of weekly administration
9 Where IF is present, a deficiency can easily be overcome by oral supplementation of crystalline cobalamin, which does not need to be cleaved from food proteins
The manic-depressive spectrum Manic-Depressive Illness Oxford University Press: New York 1990
A UTI does not mean semaglutide caused it, and stopping the medication abruptly can create its own set of problems