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Test ID BLOD0980 Vitamin A, Serum

Useful For

Diagnosing vitamin A deficiency and toxicity

 

Monitoring vitamin A therapy

Specimen Type

Serum


Specimen Required


Patient Preparation: Patient should fast overnight (12-14 hours); infants should have specimen collected before next feeding.

Collection Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Submission Container/Tube: Plastic vial

Specimen Volume: 0.5 mL

Collection Instructions: Centrifuge and aliquot serum into a plastic vial. Serum must be removed from the red blood cells within 2 hours.


Specimen Minimum Volume

0.25 mL

Reject Due To

Gross hemolysis OK
Gross lipemia OK
Gross icterus OK

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 28 days
  Ambient  28 days
  Frozen  28 days

Day(s) Performed

Sunday through Friday

Report Available

2 to 5 days

Method Name

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

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

84590

Secondary ID

42357

Reporting Name

Vitamin A, S

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

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.

Forms

If not ordering electronically, complete, print, and send a General Request (T239) with the specimen.

Sanford Laboratories - Fargo Additional Information:

SANFORD INTERFACE BUILD INFORMATION

Result Code Result Code Description
17474 Vitamin A