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Test Code BIOTS Biotinidase, Serum

Important Note

Use Sunquest code BIOTS to order

Reporting Name

Biotinidase, S

Useful For

Preferred test for diagnosing biotinidase deficiency


Follow-up testing for certain organic acidurias

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type


Specimen Required

Collection Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions: Spin down immediately and remove serum.

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Frozen (preferred) 21 days
  Refrigerated  5 days

Reference Values

3.5-13.8 U/L

Day(s) and Time(s) Performed

Monday, Thursday; set up at 8 a.m.

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
BIOTS Biotinidase, S In Process


Result ID Test Result Name Result LOINC Value
50666 Specimen 31208-2
50667 Specimen ID 57723-9
50668 Source 31208-2
50669 Order Date 82785-7
50670 Reason For Referral 42349-1
50671 Method 49549-9
50672 Biotinidase, S 1982-8
50673 Interpretation 59462-2
50674 Amendment 48767-8
50675 Reviewed By 18771-6
50676 Release Date 82772-5

Reject Due To


Mild OK; Gross reject


Mild OK; Gross OK


Mild OK; Gross OK



Method Name



1. New York Clients-Informed consent is required. Please document on the request form or electronic order that a copy is on file. An Informed Consent for Genetic Testing (T576) is available in Special Instructions.

2. Biochemical Genetics Patient Information (T602) in Special Instructions.