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HelpTest ID BLOD0092 Biotinidase, Serum
Useful For
Preferred test for the diagnosis of biotinidase deficiency
Follow-up testing for certain organic acidurias
Specimen Type
SerumOrdering Guidance
Molecular testing is available, see BTDZ / Biotinidase Deficiency, BTD Full Gene Analysis, Varies.
If measurement of biotin concentration is requested, order BIOTN / Biotin, Serum.
Specimen Required
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions: Centrifuge immediately and aliquot serum into plastic vial.
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | OK |
| Gross icterus | OK |
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Frozen (preferred) | 21 days | |
| Refrigerated | 5 days |
Day(s) Performed
Monday, Thursday
Report Available
2 to 5 daysMethod Name
Colorimetric
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
82261
Reporting Name
Biotinidase, SReference Values
3.5-13.8 U/L
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.Forms
1. New York Clients-Informed consent is required. Document on the request form or electronic order that a copy is on file. The following documents are available:
-Informed Consent for Genetic Testing (T576)
-Informed Consent for Genetic Testing-Spanish (T826)
2. Biochemical Genetics Patient Information (T602)
3. If not ordering electronically, complete, print, and send a Biochemical Genetics Test Request (T798) with the specimen.
SANFORD INTERFACE BUILD INFORMATION
| Result Code | Result Code Description |
|---|---|
| 15921 | Specimen |
| 15922 | Specimen ID |
| 15923 | Source |
| 15924 | Order Date |
| 15925 | Reason for Referral |
| 15926 | Method |
| 15927 | Biotinidase, S |
| 15928 | Interpretation |
| 15929 | Amendment |
| 15930 | Reviewed By |
| 15931 | Release Date |