injecting b12 subcutaneously How to self-inject intramuscular vitamin - Overview How to Give B12 Injections

Vitamin B12 serves as a cofactor for methionine synthase, an enzyme involved in methylation reactions

Here's when each modifier applies: No modifier needed: the injection is the only service provided at the visit Modifier 25 needed: a separately identifiable E/M service is performed the same day Modifier 59 needed: multiple distinct injections are given at the same visit involving different drugs at different sites Modifier 76 needed: the same injection is repeated by the same provider on the same date of service Modifier 77 needed: a different provider repeats the same injection on the same date One warning that trips up a lot of billers: appending Modifier 59 to an E/M service code is incorrect

a single 50 mg vial supplies ~1020 days

Severe Allergic Reaction (Anaphylaxis): Includes rash, severe itching, swelling of the face, throat, or tongue, or difficulty breathing