A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Vitamin B2 (Riboflavin), Plasma

Test Code
36399


CPT Codes
84252

Preferred Specimen
2 mL frozen plasma collected in an EDTA (lavender-top) tube - protected from light


Patient Preparation
Overnight fasting is required. Avoidance of vitamin supplements for 24 hours prior to collection is preferred.

Minimum Volume
0.5 mL


Instructions
Pour plasma into amber transport tube (preferred) or transport tube wrapped in aluminum foil to protect from light.


Transport Temperature
Frozen


Specimen Stability
Room temperature: 4 hours
Refrigerated: 24 hours
Frozen: 30 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received room temperature • Received refrigerated


Methodology
Chromatography/Mass Spectrometry

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule
Tue-Sat


Report Available
3 to 4 Day(s)


Clinical Significance
Vitamin B2 is involved in metabolism of fats, carbohydrates, and protein. The clinical manifestations of deficiency are non-specific. Clinical manifestations include mucocutaneous lesions of the mouth and skin, corneal vascularization, anemia, and personality changes.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.