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Test 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: Fasting overnight (12-14 hours) (infants: collect specimen prior to 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: Within 24 hours of collection, centrifuge, and aliquot serum into an amber vial to protect from light.


Useful For

Diagnosing vitamin A deficiency and toxicity as a part of a profile

 

Monitoring vitamin A therapy

Method Name

Only orderable as part of a profile. For more information see VITAE / Vitamin A and Vitamin E, Serum.

 

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

Reporting Name

Vitamin A, S

Specimen Type

Serum

Specimen 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

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

Report Available

2 to 5 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. This test 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
VITAP Vitamin A, S 2923-1

 

Result ID Test Result Name Result LOINC Value
605124 Vitamin A 2923-1