3-12 days after setup at PeaceHealth Laboratories’ reference lab.
CPT Code:
84311-90 x2
Specimen Collection Details
Collection:
One 8.5 mL yellow top tube (ACD solution A pr B). Draw only Monday-Wednesday before noon.
Handling:
Submit whole blood; do not transfer blood to other containers. Do not freeze. Include completed Mayo Tay-Sachs questionnaire. Specimen must arrive at PeaceHealth Laboratories’ reference lab within 48 hours of draw and must be received 24 hours prior to assay day for processing.
Standard Volume:
7 mL whole blood.
Minimum Volume:
6 mL whole blood.
Transport:
Refrigerated.
Comments:
Order this test for pregnant females. May also be ordered on males or non-pregnant females if specifically ordered as leukocytes. Specimen must arrive at PeaceHealth Laboratories’ refernce lab within 48 hours of draw.
Rejection Criteria:
Frozen specimen; specimen other than leukocytes.
Total: 16.4-36.2 U/g of cellular protein.; Hexosaminidase A: 63-75% of total (normal).
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