Home
HelpTest Code 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: Patient should fast overnight (12-14 hours); infants should have specimen collected before next feeding.
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
Collection Instructions: Centrifuge and aliquot serum into light protected plastic vial within 2 hours of collection.
Useful For
Diagnosing vitamin A deficiency and toxicity as a part of a profile
Monitoring vitamin A therapy
Reporting Name
Vitamin A, SSpecimen Type
SerumSpecimen Minimum Volume
0.25 mL
Specimen 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
Sunday through Friday
Report Available
2 to 5 daysSpecimen Retention Time
14 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
84590
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| VITAP | Vitamin A, S | 2923-1 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 605124 | Vitamin A | 2923-1 |