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Test Code LAB1091 Riboflavin (Vitamin B2), Plasma

Additional Codes

SQ CODE: VITB2M

MAYO CODE: VITB2

 

Secondary ID

42363

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

Reporting Name

Riboflavin (Vitamin B2), P

Specimen Type

Plasma Heparin


Shipping Instructions


Ship specimen in amber vial to protect from light.



Specimen Required


Patient Preparation: Fasting-overnight (12-14 hours) (infants-collect specimen prior to 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

Collection Instructions: Centrifuge within 2 hours of collection and aliquot plasma into amber vial.


Specimen Minimum Volume

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

Method Description

Riboflavin (vitamin B2) is extracted from plasma heparin specimens with internal standard and then analyzed by liquid chromatography tandem mass spectrometry.(Unpublished Mayo method)

Day(s) Performed

Monday, Wednesday, Friday

Report Available

2 to 5 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

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