Test ID PDCRW Pompe Disease Cross-Reactive Immunological Material Status, Leukocytes
Shipping Instructions
For optimal isolation of leukocytes, it is recommended the specimen arrive refrigerated within 7 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.
Specimen Required
Supplies: Vacutainer 4.0 mL CPT Sodium Citrate Mononuclear Cell Preparation, 4.0 mL (T840)
Container/Tube: Sodium citrate cell preparation tube (CPT blue/black striped top)
Specimen Volume: 4 mL
Collection Instructions:
1. Collect 4 mL blood in CPT mononuclear, sodium citrate CPT tube (blue/black striped top)
2. Mix by inversion 6 to 8 times.
3. Centrifuge at 1800xg for 30 minutes within 2 hours of collection.
4. Send CPT tube on cold packs. Do not aliquot plasma.
Forms
1. Biochemical Genetics Patient Information (T602)
2. If not ordering electronically, complete, print, and send a Biochemical Genetics Test Request (T798) with the specimen.
Useful For
Determination of cross-reactive immunologic material status using leukocytes from patients with Pompe disease
Evaluating the best strategy for enzyme replacement therapy for patients with Pompe disease
Testing Algorithm
For more information see Newborn Screen Follow-up for Pompe Disease
Special Instructions
Method Name
Western Blot
Reporting Name
Pompe Disease CRIM Status, WBCSpecimen Type
Whole bloodSpecimen Minimum Volume
2 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Whole blood | Refrigerated | 7 days | NaCit BLUBLK CellPrep |
Reference Values
An interpretive report will be provided
Performing Laboratory

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 US Food and Drug Administration.CPT Code Information
84182
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
PDCRW | Pompe Disease CRIM Status, WBC | 99308-9 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
606127 | GAA CRIM status | In Process |
606128 | Interpretation | 59462-2 |
606129 | Reviewed By | 18771-6 |
Day(s) Performed
Once per month
For patients 6 months of age or younger at collection, sample will be run as soon as received in lab. For patients older than 6 months of age at collection, samples will be batched and ran once per month.