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Platelet Antibody, Direct
MessageCollect a full tube, following standard venipuncture techniques. Do not refrigerate or freeze. Please note: Effective 11/01/96, specimens submitted in ACD tubes (yellow-top) will no longer be accepted because of the high incidence of platelet clumping associated with this anticoagulant. If the platelet count is less than 20,000/ccm, submit 7-10 mL of whole blood.
Test Code
LAB11823 PLATD
Alias/See Also
PLATD
CPT Codes
86023
Includes
@BKRCERMSGREFRESH(2302793)@ @BKRCERMSGREFRESH(2302794)@
Instructions
Platelet Count Minimum Volume> or = 45,000 2 mL20,000-45,000 5 mL<20,000 10 mLPediatric minimum volume: The minimum volume is platelet count dependent. If possible, submit at least 1 mL EDTA bloodMinimum Testing Volume: 5 mL Transport Temperature: Ambient Stability: Ambient: 6 daysRefrigerated : N/A Frozen: N/A Causes for Rejection: Gross hemolysisReceived frozenACD Tubes
Report Available
7-Days
Clinical Significance
1230170711
Last Updated: May 18, 2026