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Test Code VITB2 Riboflavin (Vitamin B2), Plasma

Reporting Name

Riboflavin (Vitamin B2), P

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Useful For

Evaluation of individuals who present the signs of ariboflavinosis

Method Name

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

Portions of this test are covered by patents held by Quest Diagnostics


Shipping Instructions


Ship specimen in amber vial to protect from light.



Specimen Required


Patient Preparation:

Fasting: 12 hours, required; Infants should have specimen collected before next feeding

Supplies: Amber Frosted Tube, 5 mL (T915)

Collection Container/Tube:

Preferred: Green top (sodium or lithium heparin)

Acceptable: Light-green top (sodium or lithium heparin plasma gel)

Submission Container/Tube: Amber vial

Specimen Volume: 2 mL plasma

Collection Instructions: Within 2 hours of collection, centrifuge and aliquot plasma into an amber vial.


Specimen Type

Plasma Heparin

Specimen Minimum Volume

Plasma: 0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Plasma Heparin Refrigerated (preferred) 28 days LIGHT PROTECTED
  Frozen  28 days LIGHT PROTECTED
  Ambient  72 hours LIGHT PROTECTED

Reject Due To

Gross hemolysis OK
Gross lipemia Reject
Gross icterus OK

Reference Values

1-19 mcg/L

Interpretation

Low concentrations in the plasma are indicative of nutritional deficiency. Concentrations below 1 mcg/L are considered significantly diminished. Marginally low levels probably represent nutritional deficiency that should be corrected.

Day(s) Performed

Monday, Wednesday, Friday

Report Available

2 to 5 days

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

84252

LOINC Code Information

Test ID Test Order Name Order LOINC Value
VITB2 Riboflavin (Vitamin B2), P 2924-9

 

Result ID Test Result Name Result LOINC Value
61637 Riboflavin (Vitamin B2), P 2924-9