Platelet Antibody Screen
| Order Code: | PLTAB |
| Epic Lab Code: | LAB4388 |
| Order Form: | DeGowin Blood Center Requisition |
DeGowin Blood Center - Blood Bank
C271 GH
356-2561
C271 GH
356-2561
Specimen:
Blood
Collection Medium:
![]() | or | ![]() |
| Pink top tube | Lavender top tube 3 mL (EDTA) |
Minimum:
Adult minimum: 5 mL
Pediatric minimum: 2 mL
Rejection Criteria:
Specimen must be labeled with patient's first and last name and medical
record number. Specimens will be rejected if information is not on the
label when received.
Delivery Instructions:
Deliver to laboratory immediately after collection.Testing Schedule:
0700-1400 Monday through Friday. For additional services, contact
Clinical Pathology Resident on-call at pager #3404.
Sample should be delivered by 10:00 a.m. for same-day testing. Result
is accompanied by professional consultation.
Reference Range:
This is a screening test to detect IgG antibodies to platelet antigens.
Negative results indicate no detection of allo- or auto-antibodies to
platelets. Positive results indicate detection of anti-platelet allo-
and/or auto-antibodies. Additional testing is required to identify the
antibody specificity, and if requested, is performed by an outside
reference laboratory.
Comments:
This testing is used by the Blood Bank to determine whether platelet
refractoriness is immune-mediated.
Test
Limitations:
This test does not detect IgM antibodies or complement components. No
one test is capable of detecting all antibodies to platelets.
Methodology:
Solid phase assay
CPT Code:
86022
See Additional Information:
Specimens Requiring Immediate Delivery
Specimens Requiring Immediate Delivery

