Biotin (Vitamin B7)
Test Mnemonic
VITB7
CPT Codes
- 84591 - QTY (1)
LOINC ®
34398-8
Includes
- Vitamin B7
Performing Laboratory
ARUP
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Plasma | EDTA (Lavender) | Frozen | Separate plasma from cells and transfer to standard aliquot tube. Separate specimens must be submitted when multiple tests are ordered. |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | No additive (Red) | Frozen | Separate serum from cells and transfer to standard aliquot tube. Separate specimens must be submitted when multiple tests are ordered. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 72 hours |
| Refrigerated | 72 hours |
| Frozen | 2 weeks |
Days Performed
Varies
Turnaround Time
4 - 11 days
Methodology
| Name | Description |
|---|---|
| Quantitative Liquid Chromatography - Tandem Mass Spectrometry |
Reference Range
Special Info
Separate specimens must be submitted when multiple tests are ordered. This test is New York state approved.