Test Code: VitAr Preferred Name Vitamin A
No
1 hour
Weekly
2 weeks
Medicare Item
N/A
Test Tubes
| Image | Specimen Type | Specimen Volume | Tube Type |
|---|
|
|
Blood (adult) | 3 mL | SST with gel 8.5 mL (Dark Yellow Top) |
|
|
Blood (paediatric) | 2 mL | 2x SST with gel 600 uL Paed (Red or Yellow top) |
|
|
Blood (neonatal) | 2 mL | 2x SST with gel 600 uL Paed (Red or Yellow top) |
GENERAL NOTES
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.
