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Differential Diagnosis For Vitamin B12, serum (Lab) - Decreased, Hepatitis, viral - Causes


List of current finding(s):

Iatrogenic, Self Induced Disorders
Blood transfusion/misadventure
Surgical, Procedure Complication
Ileum resection
Ileum/jejunocolic bypass
Resection of bowel
Terminal ileum surgical resection
Blind-loop syndrome
Short-bowel syndrome
Infectious Disorders (Specific Agent)
Hepatitis B
Hepatitis Delta Viral
Hepatitis, viral
Intestinal parasites
Neonatal hepatitis
Hepatitis A
Hepatitis C virus (non-A, non-B)
Hepatitis, chronic active/HBV
Hepatitis, chronic C type
Hepatitis, persistant, chronic
Hepatitis E virus
Hepatitis G (GBV-C) virus
Anicteric viral hepatitis
Diphyllobothrium latum infestation
Hepatitis B vasculitis syndrome
Hepatitis, cholestatic, viral type
Hepatitis, mononucleosis
Hepatitis/chronic aggressive
Cholangiolytic hepatitis, viral
Infected organ, Abscesses
Hepatic infections, non-viral
Chronic Hepatitis
Neoplastic Disorders
Heavy chain disease (Gamma)
Zollinger-Ellison syndrome/gastrinoma
Adenocarcinoma, gastric
Intestinal/gut lymphoma
Multiple myeloma
Alpha Heavy Chain Disease
Allergic, Collagen, Auto-Immune Disorders
Crohn's disease (Regional enteritis)
Inflammatory bowel disease
Transfusion reaction
Scleroderma, progressive systemic
Metabolic, Storage Disorders
Amyloidosis, gut
Ketotic hyperglycinemia, idiopathic
Methylmalonic acidemia/ketotic glycine
Transcobalamin II deficiency
Deficiency Disorders
Congenital, Developmental Disorders
Congenital intrinsic factor absence
Hereditary, Familial, Genetic Disorders
Factor IX deficiency (Christmas dis)
Usage, Degenerative, Necrosis, Age Related Disorders
Gastritis, atrophic
Anatomic, Foreign Body, Structural Disorders
Duodenum diverticulum
Gastric scar/corrosive burn recovered
Jejunal diverticulum
Functional, Physiologic Variant Disorders
Aging, general
Diet, strict vegetarian
Pregnancy, 3rd trimester
Dieting, severe
Vegetative, Autonomic, Endocrine Disorders
Intestinal stasis/motility failure
Hypothyroidism (myxedema)
Postgastrectomy steatorrhea
Reference to Organ System
Ileum disease
Pernicious anemia
Combined system disease/pernicious an.
Bacteria intestinal overgrowth syndrome
Intrinsic factor lack
Heirarchical Major Groups
Gastric disorders
Terminal ileum disorders
Anticonvulsants Administration/Toxicity
Colchicine Administration/Toxicity
Ascorbic acid/Vitamin C intake
Chlorpromazine (Thorazine) Administration/Toxicity
Estrogen (Premarin/Estinyl) Administration/Toxicity
Metformin (Glucophage) Administration/Toxicity
Neomycin (Mycitracin) Administration/Toxicity
Omeprazole/Esomeprazole (Prilosec/Nexium) Administration/Toxicity
Para-aminosalicylate (PAS) Administration/Toxicity
Poisoning (Specific Agent)
Alcohol intoxication, acute
Alcoholism, chronic