Laboratory Medicine
Test Directory / Vitamin A
Vitamin A
Brown clotted serum, gel barrier or lithium heparin
| Test | Vitamin A |
|---|---|
| Common Abbreviations | VA |
| Profile | NA |
| Tube type | Brown clotted serum, gel barrier or lithium heparin |
| Clinical Indication | Investigation of suspected vitamin A deficiency, especially in cases of fat malabsorption. It may also be used in cases of suspected toxicity as excessive intake of vitamin A can be hepatotoxic. |
| Specimen Type | Blood |
| Sample type | Serum or plasma |
| Minimum Volume | 0.5mL |
| Special Precautions | Sample must be sent to the laboratory ASAP after collection. Samples received after 4 hours from collection are not suitable for analysis. Sample should be protected from prolonged light exposure. |
| Stability | Contact Referral Laboratory |
| Turnaround Time | 14 days |
| Laboratory | Hull Royal Infirmary |
| Reference Interval | |
| Limitations | |
| Notes |
