Metabolic pathways: B12 is a cofactor in two critical reactions: Methylmalonyl-CoA mutase: Converts methylmalonyl CoA (from odd-chain fatty acids and some amino acids) into succinyl-CoA, which enters the Krebs (TCA) cycle to make ATP (cellular energy)
In many cases, reducing or stopping the supplement may lead to gradual improvement
The boxed-warning row is the one most often misread
L., Campbell, L
If your work is physically strenuous, you will need to take 14 days off from work, as straining during this time can delay healing and possibly cause complications

- Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) - D64.9 - combined system disease NEC - D51.0 - due to dietary vitamin B12 deficiency - D51.3 - deficiency - D53.9 - vitamin B12 NOS - D51.9 - dietary - D51.3 - dietary vitamin B12 deficiency - D51.3 - vegan - D51.3 - Neuropathy, neuropathic - G62.9 - vitamin B12 - E53.8 - with anemia (pernicious) - D51.0 - due to dietary deficiency - D51.3 Index of External Cause of Injuries References found for this diagnosis code in the External Cause of Injuries Index: Anemia(essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) combined system disease NEC due to dietary vitamin B12 deficiency Anemia(essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) deficiency vitamin B12 NOS dietary Anemia(essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) due to (in) (with) dietary vitamin B12 deficiency Anemia(essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) vegan Degeneration, degenerative combined (spinal cord) (subacute) with anemia (pernicious) due to dietary vitamin B12 deficiency Neuropathy, neuropathic vitamin B12 with anemia (pernicious) due to dietary deficiency Polyneuropathy(peripheral) in (due to) vitamin B12 deficiency with anemia (pernicious) due to dietary deficiency Convert D51.3 to ICD-9-CM Below are the ICD-9 codes that most closely match this ICD-10 code, based on the General Equivalence Mappings (GEMs)
