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HelpCatalog ID VITA Vitamin A, Serum
Additional Codes
Epic EAP Test Code: LAB580
Useful For
Diagnosing vitamin A deficiency or toxicity
Monitoring vitamin A therapy
Specimen Required
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: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Red top
Acceptable: Serum gel
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL serum
Collection Instructions: Within 2 hours of collection, centrifuge and aliquot serum into a plastic vial.
Collect 1.2 mL blood in Red top tube. Patient should be fasting for 12 hours prior to draw. PROTECT TUBE FROM LIGHT
Reference Values
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
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
| Gross icterus | OK |
Secondary ID
42357Method Name
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Reporting Name
Vitamin A, SSpecimen Type
SerumSpecimen Minimum Volume
Serum: 0.25 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 28 days |
| Ambient | 28 days | |
| Frozen | 28 days |
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
84590
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| VITA | Vitamin A, S | 2923-1 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 7597 | Vitamin A | 2923-1 |
Forms
If not ordering electronically, complete, print, and send a General Request (T239) with the specimen.