Analytic Time
 
MiChart Code
Vitamin A
Soft Order Code
VITMA

Test Updated:

Synonyms

Retinoids
Retinol
Retinyl Esters
Retinoids
Retinol
Retinyl Esters
VITAMIN A, SERUM
VITAE
R ESTERS
R ESTERS2
RETINOL2
VITAMIN A AND VITAMIN E

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Test Overview

Test Methodology

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

Test Usage

Monitoring Vitamin A therapy and assessing toxicity; diagnosis of vitamin A deficiency.

Reference Range

Age 0-6 years: 11.3 - 64.7 mcg/dL; age 7-12 years: 12.8 - 81.2 mcg/dL; age 13-17 years: 14.4 - 97.7 mcg/dL; age >or=18 years: 32.5 - 78.0 mcg/dL.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Offsite

Collect specimen in a red top (preferred) or SST tube. Centrifuge, aliquot serum into plastic vial and refrigerate or freeze. For long term storage, freeze at -20C.

Red Top Tube
Yellow Top Tube
Normal Volume
0.5 mL serum
Minimum Volume
0.3 mL serum

Billing Information

CPT Code
84590
Pro Fee Code
 
LOINC
2923-1

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.