And for many women, it works well
Yes, in a non-facility setting when the E/M service is separately identifiable from the injection work
this list is not exhaustive Antacids Colchicine (treatment of gout) H2 Blockers (Zantac, Tagamet, Pepcid) Metformin Diabetes drug (Glucophage) PPIs Proton pump inhibitors (Omeprazole, Nexium, Prevacid, Protonix) Nitrous oxide anaesthesia Nitrous oxide recreational abuse (Laughing gas / Whippets / Hippy crack) Mycifradin sulphate (Neomycin) antibiotic Para aminosalicylates antibiotic Phenytoin (Dilantin) anti-epileptic Potassium chloride (K-Dur) Cholestyramine (Questran) Chemotherapy and radiation treatment Increased demands Chronic Hemoltic anaemia Hyperthroidism Multiple myeloma Myelopproliferative disorders Neoplasms Pregnancy Some patients may never find out the cause of their condition, this does not mean that they should be denied B12 injections which are, safe, inexpensive and the most efficient treatment for their deficiency

This NAD+ elevation activates sirtuins, particularly SIRT1 in adipocytes and hepatocytes, which deacetylates and activates numerous metabolic regulatory proteins including PGC-1, a master regulator of mitochondrial biogenesis, oxidative metabolism, and thermogenesis
For longer storage, freeze single-use aliquots at -20C and avoid repeated freeze-thaw cycles