still tired after b12 injections Feeling worse Injection: Answering concerns No improvement to tiredness after

The four core administration codes split by route and order: 90471 reports the first or only injectable vaccine (work RVU 0.17) 90472 is the add-on for each additional injectable vaccine in the same visit (work RVU 0.15) 90473 reports the first or only oral or intranasal vaccine (work RVU 0.17) 90474 is the add-on for each additional oral or intranasal vaccine (work RVU 0.15) Only one initial administration code applies per encounter

document deficiency etiology (D51.0 pernicious anemia vs E53.8) Thiamine (B1): Alcoholic neuropathy co-treatment

critical for liver health and lipid transport

The first injections are given close together to refill depleted stores quickly