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HelpTest Code BIOTN Biotin, Serum
Ordering Guidance
If testing for biotinidase deficiency is requested, order BIOTS / Biotinidase, Serum.
Shipping Instructions
Freeze specimens within 3 days of collection and send frozen.
Specimen Required
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Specimen Type
SerumSpecimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Frozen (preferred) | 30 days | |
| Refrigerated | 7 days | ||
| Ambient | 24 hours |
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
| Gross icterus | OK |
Reference Values
≥18 years: ≤0.3 ng/mL
Reference values have not been established for patients who are <18 years of age.
Specimen Retention Time
7 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
84591
Day(s) Performed
Tuesday