Medically reviewed by Dr. Arham Shabbir, PhD (Pharmacology), M.Phil (Pharmacology), B.Pharm (RPh)
Updated on
Vitamin B12 Deficiency Clinical Risk Assessment
Pharmacist-verified tool based on NICE NG239 guidelines for identifying underlying cobalamin malabsorption risks.
REFRENCES
National Institute for Health and Care Excellence (NICE), 2024. Vitamin B12 deficiency in over 16s: diagnosis and management (NICE Guideline NG239). London: NICE. Available at: https://www.nice.org.uk/guidance/ng239. (Defines the matching model requiring cross-referencing at least one clinical sign alongside one predisposing risk factor before triggering automated diagnostic test recommendations).
Smith, A.D. and Refsum, H., 2016. Vitamin B12: how much do we need? Nutrients, 8(11), p. 675. Available at: https://doi.org/10.3390/nu8110675. (Validates the scoring weight regarding passive diffusion bounds and the physical degradation kinetics when drug factors like Metformin or PPIs disrupt cellular clearance pathways).