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.

Test Details
Days Set Up
Tuesday, Thursday and Sunday
Analytic Time

8 hours

Soft Order Code
VITMA
MiChart Code
Vitamin A
Synonyms
  • Retinoids
  • Retinol
  • Retinyl Esters
  • Retinoids
  • Retinol
  • Retinyl Esters
  • VITAMIN A, SERUM
  • VITAE
  • R ESTERS
  • R ESTERS2
  • RETINOL2
  • VITAMIN A AND VITAMIN E
Laboratory
Chemical Pathology
Section
Drug Analysis
Specimen Requirements
Collection Instructions

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
Additional Information

Also available, Vitamin A and Vitamin E (VITAE).

Billing
CPT Code
84590
Fee Code
KA022
LOINC
2923-1
Resources