Laboratory Services

Riboflavin (Vitamin B2), P

Name: Incyte Diagnostics
Address: 13103 E Mansfield Ave, Spokane Valley, Washington, 99216, USA
Telephone: +1-

Updated Test Information:

Test Description	Riboflavin (Vitamin B2), P
Synonym(s)	Riboflavin, Vitamin B2
Test ID	VITB2
Performing Lab	Labcorp
General Information	Useful for evaluation of individuals who present the signs of ariboflavinosis
Container Type	EDTA (lavender top) Whole Blood, preferred. Also acceptable are lithium heparin (green-top) whole blood and sodium heparin (light green top) whole blood. aluminum foil. Identify specimen with patient's name directly on the container AND the outside of the aluminum foil. Secure with tape.) For amber plastic transport tube and amber stopper, order LabCorp ID 23598.
Specimen Type	Whole blood, FROZEN AND PROTECTED FROM LIGHT
Specimen Requirements	2mL
Specimen Collection / Processing Instructions	Centrifuge within 2 hours of collection and aliquot plasma into amber vial.
Minimum Sample Volume	0.5 mL
Required Information	Patient Preparation: Fasting-overnight (12-14 hours) (infants-collect specimen prior to next feeding)
Stability	Specimens should be light-protected, stored FROZEN immediately, and maintained FROZEN during shipping. 2(degrees)C to 8(degrees)C.
Unacceptable Specimen Conditions	Gross hemolysis, Gross lipemia
Methodology	Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) Portions of this test are covered by patents held by Quest Diagnostics
Estimated TAT	3-6 Days
Testing Schedule	Monday, Wednesday, Friday
Retention	14 Days
CPT Code(s)	84252
Reference Range	1-19 mcg/L
STAT Orderable (Y/N)	No
LOINC Code(s)	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
Additional Information	Low concentrations in the blood 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. Testing of nonfasting specimens or the use of dietary vitamin B2 supplementation can result in elevated plasma vitamin B2 concentrations.