does a b12 injection interfear with alchocal unine test Hydroxocobalamin (B12) Injection, 2mg/mL B12 Injections: Who Should Get
Description
If you suspect your B12 supplement is causing problems, discuss alternative formulations or routes of administration with your healthcare provider rather than simply stopping therapy

United States Military Academy

however, avoid mixing with strong acids or chelating agents that could strip the copper from the peptide

The B12 injection uses J3420 (Injection, vitamin B-12 cyanocobalamin, up to 1000 mcg) plus a second 96372 with modifier 59
