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Test Code VITA Vitamin A, Serum


Specimen Required


Patient Preparation: Fasting overnight (12-14 hours) (infants: draw prior to next feeding)

Collection Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Submission Container/Tube: Plastic vial

Specimen Volume: 0.5 mL


Forms

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

Secondary ID

42357

Useful For

Diagnosing vitamin A deficiency and toxicity

 

Monitoring vitamin A therapy

Method Name

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
  Ambient  28 days
  Frozen  28 days

Reject Due To

Gross hemolysis OK
Gross lipemia OK
Gross icterus OK

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) and Time(s) Performed

Monday through Friday; 12:01 a.m.

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 U.S. 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