Vitamin B2 (Riboflavin)

Vitamin B2 (Riboflavin)

Test Code

36399
84252
CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering.
36399
84252
CPT Code is subject to a Medicare Limited Coverage Policy and may require a signed ABN when ordering.
Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide SERVICE AREA INFORMATION to find available tests you can order.
In-home collection is not available in your area through Quest Mobile.

Clinical Significance

Vitamin B2 (Riboflavin) - 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.

Test Resources

None found for this test
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Test Details

Patient Preparation

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

Methodology

Chromatography/Mass Spectrometry

Assay Category

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.

Reference Range(s)

6.2-39.0 nmol/L

Alternative Name(s)

Riboflavin, B2

LOINC® Codes, Performing Laboratory

Service Area must be determined
Overnight fasting is required.
Avoidance of vitamin supplements for 24 hours prior to collection is preferred.

Methodology

Chromatography/Mass Spectrometry
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.

Reference Range(s)

6.2-39.0 nmol/L

Alternative Name(s)

Riboflavin, B2
Service Area must be determined

Preferred Specimen(s)

1 mL frozen serum collected in a red-top tube (no-gel) - protected from light

Alternative Specimen(s)

Frozen plasma collected in: EDTA (lavender-top) tube - protected from light

Minimum Volume

0.5 mL

Collection Instructions

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

Transport Container

Amber transport tube

Transport Temperature

Frozen

Specimen Stability

  • Room temperature: Unacceptable
    Refrigerated: Unacceptable
    Frozen: 30 days

Reject Criteria

Serum separator tube (SST)

Setup Schedule

Service Area must be determined
1 mL frozen serum collected in a red-top tube (no-gel) - protected from light
Frozen plasma collected in: EDTA (lavender-top) tube - protected from light
0.5 mL
Pour serum or plasma into amber transport tube (preferred) or transport tube wrapped in aluminum foil to protect from light.
Amber transport tube
Frozen
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 30 days
Serum separator tube (SST)
Service Area must be determined
Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide SERVICE AREA INFORMATION to find available tests you can order.
In-home collection is not available in your area through Quest Mobile.
Test Details

Clinical Significance

Test Resources

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.

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