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 # |
Hexosaminidase A and Total Hexosaminidase, Leukocytes
Test Code34842
CPT Codes
83080 (x2)
Preferred Specimen
6 mL whole blood collected in an acid citrate dextrose ACD-A or B solution (yellow-top) original tube
Minimum Volume
5 mL
Instructions
New York state clients: Informed Consent is required. Please document on the request form or electronic order that a copy is on file.
Specimen must arrive at Mayo within 96 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
Draw blood in ACD solution A or B (yellow-top) tube(s) and send 6 mL of ACD whole blood (refrigerated). (Keep specimen cool with frozen coolant April-October. Protect specimen from freezing by placing it in a bubble-pack supplied by Mayo Medical Laboratories, use refrigerated coolant November-March). Specimen cannot be frozen
Do not transfer blood to other containers
Specimen must arrive at Mayo within 96 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
Draw blood in ACD solution A or B (yellow-top) tube(s) and send 6 mL of ACD whole blood (refrigerated). (Keep specimen cool with frozen coolant April-October. Protect specimen from freezing by placing it in a bubble-pack supplied by Mayo Medical Laboratories, use refrigerated coolant November-March). Specimen cannot be frozen
Do not transfer blood to other containers
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 4 days
Refrigerated: 4 days
Frozen: Unacceptable
Refrigerated: 4 days
Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis
Methodology
Fluorometric • Heat Inactivation • Semi-automated
Setup Schedule
Set up: Tues, Thurs; Report available: 4-8 days
Reference Range
Hexosaminidase Total | |
≤15 years | ≥20 nmol/min/mL |
≥16 years | 16.4-36.2 nmol/min/mL |
Hexosaminidase Percent A | |
≤15 years | 20-80% |
≥16 years | 63-75% |
Performing Laboratory
Mayo Clinic Laboratories
200 First Street SW
Rochester, MN 55905