Vitamin A (Retinol), Serum or Plasma




Test Mnemonic

VITA

CPT Codes

  • 84590 - QTY (1)

LOINC ®

2923-1

Aliases

  • Retinol
  • Retinyl palmitate

Includes

  • Vitamin A (Retinol)
  • Vitamin A (Retinyl Palmitate)
  • Vitamin A, Ser/Pla - Interpretation

Performing Laboratory

ARUP


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1 mLPlasmaSodium heparin PST [Lt. Green]Place specimen on ice after draw.RefrigeratedCritical Refrigerated. Patient should fast for 12 hours and abstain from alcohol for 24 hours prior to collection. Separate plasma from cells within 1 hour of collection and transfer to standard aliquot tube.

Alternate Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1 mLSerumSST (Gold)Place specimen on ice after draw.RefrigeratedCritical Refrigerated. Patient should fast for 12 hours and abstain from alcohol for 24 hours prior to collection. Separate serum from cells within 1 hour of collection and transfer to standard aliquot tube.
1 mLPlasmaLithium heparin PST (Lt. Green)Place specimen on ice after draw.RefrigeratedCritical Refrigerated. Patient should fast for 12 hours and abstain from alcohol for 24 hours prior to collection. Separate plasma from cells within 1 hour of collection and transfer to standard aliquot tube.
1 mLPlasmaEDTA (Lavender)Place specimen on ice after draw.RefrigeratedCritical Refrigerated. Patient should fast for 12 hours and abstain from alcohol for 24 hours prior to collection. Separate plasma from cells within 1 hour of collection and transfer to standard aliquot tube.

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
0.2 mL     

Stability

Environmental Condition Description
AmbientAfter separation from cells: Unacceptable
RefrigeratedAfter separation from cells: 1 month
FrozenAfter separation from cells: 1 year

Days Performed

Sun - Sat

Turnaround Time

2 - 5 days

Methodology

Name Description
High Performance Liquid Chromatography (HPLC) 

Reference Range

Vitamin A (Retinyl Palmitate)
Sex Age From Age To Type Range Range Unit
   Years150 YearsNormal0 - 0.10mg/L
Vitamin A
Sex Age From Age To Type Range Range Unit
   Months1 MonthsNormal0.18 - 0.50mg/L
 2 Months12 YearsNormal0.20 - 0.50mg/L
 13 Years17 YearsNormal0.26 - 0.70mg/L
 18 Years99 YearsNormal0.30 - 1.20mg/L

Special Info

Critical Refrigerated. Patient should fast for 12 hours and abstain from alcohol for 24 hours prior to collection. Avoid hemolysis. This test is New York state approved.

Clinical Info

This test may be useful for nutritional assessment of vitamin A (retinol and retinyl palmitate) in serum or plasma.