why do people have vitamin b12 injections vs Pills: Richmond's Complete Guide How to Give a B12

the elderly, strict vegetarians (i.e., vegan), and patients with malabsorption problems are more likely to become deficient

B12 and Intrinsic Factor Intrinsic factor is a protein secreted by the cells of the stomach lining

Methylmalonic acid (MMA) : Elevated levels indicate functional B12 deficiency [*]

Available Types: The supplement market offers numerous B12 formulations

Key index paths: Neuropathy, neuropathic main term subterm peripheral subterm by etiology (alcoholic, diabetic, drug-induced, hereditary, idiopathic, inflammatory, ischemic, toxic) Neuropathy, peripheral, diabetic see E08E13 with .40.49 Polyneuropathy main term subterms by etiology (alcoholic G62.1, critical illness G62.81, diabetic [see Diabetes, with neuropathy], drug-induced G62.0, hereditary G60.x, idiopathic G60.9, inflammatory G61.x, radiation G62.82, toxic G62.2) Syndrome, carpal tunnel G56.0- Syndrome, tarsal tunnel G57.5- Syndrome, Guillain-Barr G61.0 Neuropathy, CIDP G61.81 Disease, Charcot-Marie-Tooth G60.0 Meralgia paresthetica G57.1- Neuralgia, post-herpetic B02.29 (other PHN) or B02.22 (trigeminal) Degeneration, subacute combined G32.0 Dysautonomia G90.1 (familial), G90.09 (other idiopathic) Syndrome, Refsum G60.1 Coder Note When the index leads to see also Diabetes, with, neuropathy always confirm documentation of the specific type of diabetes (Type 1, Type 2, secondary, drug-induced) before selecting the E-code subcategory