b12 injection site is warm Vitamin Injections: Hot Shots? Full Guide · PA Relief Places for Intramuscular Injection: 4
Description
"Hydroxocobalamin Use During Pregnancy"

Product Description: This compound is not approved for human or veterinary use, and must not be used for therapeutic, diagnostic, or clinical purposes

IGFBP-rP1 and IGFBP-rP2 have been reported to increase during senescence of the prostate epithelium and in response to growth inhibitors (TGF-1 and atRA) suggesting they are likely to negatively regulate growth, however the role of IGFBP-rP3 as a growth stimulator and/or protooncogene has been reported after preferential expression in cancerous cells [26]
[DOI] [PubMed] [Google Scholar] 103.Powrie J.K., Bassett E.E., Rosen T., Jrgensen J.O., Napoli R., Sacca L., Christiansen J.S., Bengtsson B.A., Snksen P.H

The 90471 code is when a first vaccine is administered, whereas the 90472 applies when more than one vaccine has to be given during the same visit

Unless the cause of B12 deficiency is temporary i.e
