TEST CATALOG ORDERING & RESULTS SPECIMEN HANDLING CUSTOMER SERVICE EDUCATION & INSIGHTS
Test Catalog

Test ID: BGAW    
Beta-Galactosidase, Blood

Testing Algorithm Delineates situations when tests are added to the initial order. This includes reflex and additional tests.

Specimen Type Describes the specimen type validated for testing

Whole blood

Additional Testing Requirements

Careful review of clinical findings will help distinguish between GM1 gangliosidosis and Morquio syndrome type B. A diagnosis of galactosialidosis must be additionally demonstrated by a deficiency of neuraminidase (NEURF / Neuraminidase, Fibroblasts).

Necessary Information

Provide a reason for referral with each specimen.

Specimen Required Defines the optimal specimen required to perform the test and the preferred volume to complete testing

Container/Tube: 

Preferred: Lavender top (EDTA)

Acceptable: Yellow top (ACD)

Specimen Volume: 2 mL

Special Instructions Library of PDFs including pertinent information and forms related to the test

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 in Special Instructions:

-Informed Consent for Genetic Testing (T576)

-Informed Consent for Genetic Testing-Spanish (T826)

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

3. If not ordering electronically, complete, print, and send an Inborn Errors of Metabolism Test Request (T798) with the specimen.

Specimen Minimum Volume Defines the amount of sample necessary to provide a clinically relevant result as determined by the Testing Laboratory

0.5 mL

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected

All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included

Specimen TypeTemperatureTimeSpecial Container
Whole bloodAmbient (preferred)7 days
 Refrigerated 7 days