Home
HelpTest Code 59BIOT Biotinidase, Serum
Additional Codes
| Mayo | BIOTS |
| Epic ID | LAB958 |
Special Instructions
Specimen Type
SerumOrdering Guidance
Molecular testing is available, see BTD / Biotinidase Deficiency, BTD Gene Sequencing with Deletion/Duplication, Varies.
If measurement of biotin concentration is requested, order BIOTN / Biotin, Serum.
Specimen Required
Patient Preparation:
Fasting: 4 Hours, recommended but not required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL Serum
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Specimen Minimum Volume
Serum: 0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Frozen (preferred) | 21 days |
| Refrigerated | 5 days |
UPH Waterloo Region Lab Test Catalog
Note:
Transport frozen.
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | OK |
| Gross icterus | OK |
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Method Name
Colorimetric
Useful For
Preferred test for the diagnosis of biotinidase deficiency
Follow-up testing for certain organic acidurias
Day(s) Performed
Monday, Thursday
Report Available
2 to 5 daysReference Values
3.5-13.8 U/L
CPT Code Information
82261