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Test ID BLOD1312 Beta-Galactosidase, Leukocytes

Useful For

Aiding in the diagnosis of GM1 gangliosidosis, Morquio B disease, and galactosialidosis

 

This test is not suitable for carrier detection.

Specimen Type

Whole Blood ACD


Shipping Instructions


For optimal isolation of leukocytes, it is recommended the specimen arrive refrigerated within 6 days of collection to be stabilized. Collect specimen Monday through Thursday only and not the day before a holiday. Specimen should be collected and packaged as close to shipping time as possible.



Necessary Information


Provide a reason for referral with each specimen.



Specimen Required


Container/Tube:

Preferred: Yellow top (ACD solution B)

Acceptable: Yellow top (ACD solution A)

Specimen Volume: 6 mL

Collection Instructions: Send specimen in original tube. Do not aliquot.


Reject Due To

Gross hemolysis Reject

Specimen Minimum Volume

5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Whole Blood ACD Refrigerated (preferred) 6 days YELLOW TOP/ACD
  Ambient  6 days YELLOW TOP/ACD

Day(s) Performed

Preanalytical processing: Monday through Sunday

Assay performed: Tuesday

Report Available

2 to 8 days

Method Name

Fluorometric

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

82657

Reporting Name

Beta-Galactosidase, Leukocytes

Reference Values

≥1.56 nmol/min/mg

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.

Secondary ID

8486
Sanford Laboratories - Sioux Falls/Rapid City Additional Information:

SANFORD LABORATORY INTERFACE BUILD INFORMATION

Result Code  Result Code Description 
16052 Beta-Galactosidase, Leukocytes
16086 Interpretation (BGA)
16087 Reviewed By