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Test Name:
Vitamin B2 (Riboflavin)
- SBMF No:
44514 - Performance Lab Name:
ARUP Laboratories - Test Mnemonic:
VITA B2 - ABN:
Not required - CPT Code:
84252 - LOINC Code:
49038-3 - Ref Lab Test No:
0081123 - Also Known As:
B2 Vitamin
Riboflavin - Spec Type:
Plasma - Spec Container:
Green top (heparin) tube - Pref Vol:
1.0 mL - Min Vol:
0.5 mL - Fasting:
No - Spec Collect:
Routine venipuncture - Spec Process:
Promptly centrifuge 15 minutes
Immediately transfer plasma to light-protected (amber) plastic tube and freeze - Spec Store Transport:
Frozen
Protect from light within one hour of collection and during storage and shipment - Spec Stability:
Room temperature (20-30°C): Unacceptable
Refrigerated (2-8°C): Unacceptable
1 month frozen (-20°C) – Do not use frost-free units that undergo repeated freeze/thaw cycles - Spec Reject:
Non-frozen sample
Hemolyzed or lipemic sample
EDTA plasma
Serum, whole blood, or body fluid sample - Spec Remarks:
CRITICAL FROZEN – Separate samples must be submitted when multiple tests are ordered
Protect from light within one hour of collection, and during storage and shipment
Specimens collected in EDTA provide a lower value of riboflavin concentration, therefore EDTA is not acceptable - Methodology:
Quantitative High Performance Liquid Chromatography (HPLC) - Clinical Significance:
Refer to:
- Reference Range:
5-50 nmol/L - Day Run:
Tue, Fri - Time Reported:
2-7 days - Test Type:
CHEMISTRY
