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HelpTest Code PLAFL Platelet Surface Glycoprotein, Flow Cytometry, Blood
Specimen Type
Whole Blood ACDOrdering Guidance
This test identifies platelet surface glycoprotein or receptor deficiencies. If platelet structural abnormality testing is needed, consider PTEM / Platelet Transmission Electron Microscopic Study, Whole Blood.
Shipping Instructions
Specimen must be shipped ambient and arrive within 4 days of collection.
Ship specimen overnight in an Ambient Shipping Box-Critical Specimens Only (T668) following the instructions in the mailer.
Necessary Information
Platelet Esoteric Testing Patient Information is required. Testing may proceed without this information, however, the information aids in providing a more thorough interpretation. Ordering providers are strongly encouraged to fill out the form and send with the specimen.
Specimen Required
Supplies: Ambient Shipping Box-Critical Specimens Only (T668)
Collection Container/Tube: ACD solution A or B
Specimen Volume: 6 mL
Pediatric Volume: 1 mL
Collection Instructions: Send whole blood specimen in original tube. Do not aliquot.
Specimen Minimum Volume
Adult: 1 mL; Pediatric: 200 mcL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Whole Blood ACD | Ambient | 4 days |
Reject Due To
| Gross hemolysis | Reject |
| Fully clotted | Reject |
| Gross lipemia | OK |
Reference Values
GPIIb CD41: ≥70.0% (Normal Range-Median)
GPIIIa CD61: ≥70.0% (Normal Range-Median)
GPIX CD42a: ≥70.0% (Normal Range-Median)
GPIb-alpha CD42b: ≥70.0% (Normal Range-Median)
GPIa CD49b: ≥60.0% (Normal Range-Median)
Day(s) Performed
Monday through Saturday
Report Available
1 to 2 daysSpecimen Retention Time
14 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
88184-Flow cytometry; first cell surface, cytoplasmic or nuclear marker
88185-Flow cytometry; additional cell surface, cytoplasmic or nuclear marker (each) X5
88187-Flow cytometry interpretation, 2 to 8 markers