Vitamin B7, H (Biotin)
Use
Vitamin B7, also known as biotin, is a crucial micronutrient involved in energy metabolism and synthesis of important biomolecules. Biotin is essential for maintaining healthy skin, hair, and nervous system function. Monitoring biotin levels assists in diagnosing biotin deficiency, which can manifest as skin rashes, hair loss, and neurological symptoms. Adequate biotin levels are significant for individuals relying on parenteral nutrition or exhibiting symptoms consistent with biotin deficiency.
Special Instructions
Specimens should be collected in light-protective containers to prevent degradation. Proper collection and handling are critical to ensure accurate biotin measurement.
Limitations
Non-compliance with light protection during specimen handling may result in decreased biotin concentrations in the specimen. Hemolysis, lipemia, or improper storage conditions may affect test reliability. Test results should be correlated with clinical presentation and other diagnostic procedures.
New York Approved
Methodology
Other
Biomarkers
LOINC Codes
- 1980-2
- 1980-2
Result Turnaround Time
4-12 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
2 mL
Minimum Volume
1 mL
Container
Amber vial
Collection Instructions
Within 2 hours of collection, centrifuge and aliquot 2 mL of serum into an amber vial to protect from light. Send frozen.
Causes for Rejection
Gross hemolysis, gross lipemia, specimen not protected from light
Stability Requirements
| Temperature | Period |
|---|---|
| Refrigerated | 7 days |
| Frozen | 14 days |