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HelpTest ID VITAP Vitamin A, Serum
Specimen Required
Only orderable as part of a profile. For more information see VITAE / Vitamin A and Vitamin E, Serum.
Patient Preparation:
1. Fasting: 12 hours, required; Infants should have specimen collected before next feeding
2. Patient must not consume any alcohol for 24 hours before specimen collection.
Supplies: Amber Frosted Tube, 5 mL (T915)
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Amber vial
Specimen Volume: 0.5 mL serum
Collection Instructions: Within 2 hours of collection, centrifuge and aliquot serum into light protected plastic vial.
Secondary ID
605124Useful For
Diagnosing vitamin A deficiency or toxicity as part of a profile
Monitoring vitamin A therapy as part of a profile
Specimen Type
SerumSpecimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 28 days | LIGHT PROTECTED |
| Frozen | 28 days | LIGHT PROTECTED | |
| Ambient | 7 days | LIGHT PROTECTED |
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
| Gross icterus | OK |
Reference Values
Only orderable as part of a profile. For more information see VITAE / Vitamin A and Vitamin E, Serum.
0-6 years: 11.3-64.7 mcg/dL
7-12 years: 12.8-81.2 mcg/dL
13-17 years: 14.4-97.7 mcg/dL
≥18 years: 32.5-78.0 mcg/dL
Day(s) Performed
Monday through Friday, Sunday
Report Available
2 to 5 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
84590