Using metabolic markers of B12 status like methylmalonic acid and homocysteine to aid in the diagnosis of clinically manifested vitamin B12 deficiency has advantages, but also shortcomings [10,11], such as the high costs of measurements, the limited availability, and the impact of renal insufficiency on the concentrations
Furthermore, as this Pfizer bacteriostatic water for injection, USP is dispensed in a 30 ml vial with a plastic flip-flop self-healing lid, the sterility of the solution is maintained over repeated dosing, given that the product is stored according to the USP standards
Cost : B12 energy shots are often more cost-effective than IV infusions
Here is when D64.9 is appropriate: The patient presents with anemia symptoms, but lab results are pending The provider suspects anemia, but the diagnostic workup is not complete The patient was transferred from another facility with limited records Here is when D64.9 is not appropriate: Iron studies confirm iron deficiency use D50.9 instead B12 level confirms deficiency use D51.9 instead Patient has known chronic kidney disease use D63.8 instead Patient had a recent surgery with bleeding use D62 instead Switch from D64.9 to the specific code within one visit or one follow-up
I thought that was a little interesting thing that I learned
Oral supplementation is more affordable and accessible but may be ineffective in individuals with gastric malabsorption
