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vitamin K (phytonadione) in serum/plasma
Reference interval:
- 0.1-2.2 ng/mL
Decreases:
- primary biliary cirrhosis
- hemorrhagic disease of the newborn
- infants with diarrhea
- pancreatic insufficiency
- cystic fibrosis
- chronic fat malabsorption
- celiac disease
- obstructive jaundice
- nutritional deficiency
- pharmaceuticals
- antibiotics
- cholestyramine
Specimen:
- serum or plasma
- stable at -20 C for 2 months
Related
vitamin K
General
special chemistry test
References
- Clinical Guide to Laboratory Tests, 4th edition, HB Wu ed,
WB Saunders, Philadelphia, 2006