Vitamin B7 (Biotin)
Test Mnemonic
VITB7
CPT Codes
- 84591 - QTY (1)
LOINC ®
34398-8
Aliases
- Biotin
- H Biotin
Performing Laboratory
Mayo Clinic Dpt of Lab Med & Pathology
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL | Serum | SST (Gold) | Frozen | Protect specimen from light. |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL | Serum | No additive (Red) | Frozen | Protect specimen from light. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | Unacceptable |
| Refrigerated | Unacceptable |
| Frozen | 14 days |
Days Performed
Mon
Turnaround Time
2 - 18 days
Methodology
| Name | Description |
|---|---|
| Microbiological Assay |
Reference Range
| Vitamin B7 (Biotin) | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| < 12 years: 100.0 - 2460.2 pg/mL (Pediatric) | > or = 12 years: 221.0 - 3004.0 pg/mL (Adult) |
Special Info
Grossly hemolyzed, grossly lipemic, thawed (warm or cold), and specimens not light protected are unacceptable.