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Test Code BGALAC Beta-Galactosidase, Leukocytes

Additional Codes

EMR Interface Order Code: 05581

Reporting Name

Beta-Galactosidase, Leukocytes

Useful For

Diagnosis of GM1 gangliosidosis, Morquio B disease, and galactosialidosis

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Whole Blood ACD


Shipping Instructions


For optimal isolation of leukocytes, it is recommended the specimen arrive refrigerated within 72 hours of draw to be stabilized. Draw specimen Monday through Thursday only and not the day before a holiday. Specimen should be drawn and packaged as close to shipping time as possible.



Specimen Required


Container/Tube:

Preferred: Yellow top (ACD solution B)

Acceptable: Yellow top (ACD solution A)

Specimen Volume: 6 mL

Collection Instructions: Do not transfer blood to other containers.


Specimen Minimum Volume

5 mL

Specimen Stability Information

Specimen Type Temperature Time
Whole Blood ACD Refrigerated (preferred) 72 hours
  Ambient  72 hours

Reference Values

≥1.56 nmol/min/mg

Day(s) and Time(s) Performed

Specimens are processed Monday through Sunday.

Assay is performed: Varies

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

82657

LOINC Code Information

Test ID Test Order Name Order LOINC Value
BGA Beta-Galactosidase, Leukocytes 24061-4

 

Result ID Test Result Name Result LOINC Value
8486 Beta-Galactosidase, Leukocytes 24061-4
34979 Interpretation (BGA) 59462-2
34907 Reviewed By 18771-6

Reject Due To

Gross hemolysis

Reject

Method Name

Fluorometric

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.

Secondary ID

8486