When you take a B12 pill, it has to go through your digestive system, where much of the vitamin can be lost before your body can use it
If the provider hasnt interpreted the lab finding as anemia in their assessment, the coder shouldnt assign an anemia code based on the lab alone
Administering B-12 During your visit, your doctor will administer B-12 via injection after cleansing the site

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
