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Test Code: VitAr Preferred Name Vitamin A

No
1 hour
Weekly
2 weeks
Medicare Item
N/A

Test Tubes

ImageSpecimen TypeSpecimen VolumeTube Type
Blood (adult)3 mLSST with gel 8.5 mL (Dark Yellow Top)
Blood (paediatric)2 mL2x SST with gel 600 uL Paed (Red or Yellow top)
Blood (neonatal)2 mL2x SST with gel 600 uL Paed (Red or Yellow top)


APPLICATION:  Suspected vitamin A deficiency in patients with malabsorption; suspected vitamin A toxicity, eg, inappropriate vitamin A therapy.

INTERPRETATION:  Low levels are found with fat malabsorption. Dietary deficiency is very rare in developed countries.

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