## **What is a vitamin B-12 injection?** HCPCS code J3420 refers to an injection of vitamin B-12 (cyanocobalamin), a synthetic form of the vitamin used to treat pernicious anemia, dietary folate deficiency, and other specified B-group deficiencies
Endotoxin Testing: Bacterial endotoxin levels are measured using Limulus Amebocyte Lysate (LAL) testing per USP , with a specification of less than 0.5 EU/ml consistent with Water for Injection standards
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