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Test Code VAE Vitamin A and Vitamin E, Serum

Important Note

Use Sunquest code VITAES to order

Secondary ID

43616

Useful For

Diagnosing vitamin A deficiency and toxicity

 

Evaluating persons with intestinal malabsorption of lipids

 

Evaluating individuals with motor and sensory neuropathies for vitamin E deficiency

 

Monitoring vitamin E status of premature infants requiring oxygenation

Profile Information

Test ID Reporting Name Available Separately Always Performed
VITA Vitamin A, S Yes Yes
VITE Vitamin E, S Yes Yes

Reporting Name

Vitamin A and Vitamin E, S

Specimen Type

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: 1 mL


UChicago Medicine Medical Laboratories Note:

Offsite Collection Instructions:

 

No Vitamin supplements 24 hours prior to collection.   Protected from light.

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 14 days
  Ambient  14 days
  Frozen  14 days

Reject Due To

Hemolysis

Mild reject; Gross reject

Lipemia

Mild reject; Gross reject

Icterus

Mild OK; Gross OK

Other

NA

Reference Values

VITAMIN A (RETINOL)

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

 

VITAMIN E (ALPHA-TOCOPHEROL)

0-17 years: 3.8-18.4 mg/L

≥18 years: 5.5-17.0 mg/L

Significant deficiency: <3.0 mg/L

Significant excess: >40 mg/L

Day(s) and Time(s) Performed

Monday through Friday; 12:01 a.m.

Performing Laboratory

Mayo Medical 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

84446-Vitamin E

84590-Vitamin A

LOINC Code Information

Test ID Test Order Name Order LOINC Value
VAE Vitamin A and Vitamin E, S In Process

 

Result ID Test Result Name Result LOINC Value
7597 Vitamin A 17527-3
2350 A-Tocopherol, Vitamin E 1823-4