Employee Login  |   Subscribe  |   Careers  |   Appointments
List All Test Names Beginning With:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Biotinidase

Referred out for testing

Source Blood
Mnemonic

BGLBL

BGL Test Name field: Biotinidase

Specimen Requirements

1 x 4 mL red top  tubes, NOT SST preferred. 

1 x 4 mL dark green top sodium or lithium heparin, NOT PST, are also acceptable.

Minimum: 0.5 mL serum or plasma.

Specimen Handling

Send a copy of the requisition with the specimen.

PSC:
Centrifuge, transfer serum or plasma to aliquot tube, write "Red Top", "NaHep" or "LiHep" on the aliquot tube, and transport on ice to DSC.

RRL:
Centrifuge, transfer serum or plasma to aliquot tube, write "Red Top", "NaHep" or "LiHep" on the aliquot tube, and transport on ice to ACH.

Extra-regional:
Centrifuge, transfer serum or plasma to aliquot tube, write "Red Top", "NaHep" or "LiHep" on the aliquot tube, and freeze prior to transport to DSC.

DSC:
Freeze serum or plasma upon receipt in lab; ensure frozen specimens do not thaw.

Additional Information

This test is for the diagnosis of biotinidase deficiency based on clinical presentation or as a confirmatory test for screen positive newborns.  Screening of all newborns for biotinidase deficiency is done as part of Newborn Metabolic Screen.

Testing Location ACH Biochemical Genetics Lab
Testing Frequency

Monthly

Alternate Name(s) BTD
Reference Interval Provided on test report.