Test Overview
Test Methodology

Sysmex XN-9100

Test Usage

Evaluation of bleeding disorders.

Reference Range *

Updated January 2021

Test Details
Days Set Up
Daily, 24 hours
Analytic Time

STAT: 1 hour, Routine: 4 - 8 hours

Soft Order Code
MiChart Code
Platelet Count
  • Blood Survey, Platelet Count
  • Platelets
  • PLT
STAT Availability

STAT requests for this test will be performed on a STAT basis (supervisory staff approval is not required).

Specimen Requirements

Contact Hematology Laboratory at 936-6866 for alternate collection materials when a manual platelet is ordered due to clumping.

Collection Instructions

Collect specimen in a lavender top EDTA K2 Vacutainer® tube or EDTA K2 Microtainer® tube. Send intact within 24 hours of collection if stored at room temperature or within 48 hours if stored refrigerated.

Alternate Specimen
Fingerstick Thrombo-Tic; CTAD Vacutainer® tube. Contact Hematology Lab at 936-6866 for additional information.
Rejection Criteria
Specimens clotted, diluted with IV fluid, containing fibrin strands and clumped platelets, or in underfilled or improper tubes will be rejected.
Red Top Tube
Normal Volume
3 ml EDTA K2 whole blood in Vacutainer® tube or 500 µl EDTA K2 whole blood in Microtainer® tube
Minimum Volume
1 ml EDTA K2 whole blood in Vacutainer® tube or 300 µl EDTA K2 whole blood in Microtainer® tube
Additional Information

Questionable counts are confirmed by phase contrast microscopy at no additional charge.
CTAD tube may be collected when platelet clumps occur on two consecutive draws.
Fingerstick Thrombo-Tic may be collected if EDTA K2 and CTAD tubes have platelet clumps.
Contact Hematology Lab at 936-6866 for further information.

CPT Code
Fee Code
NY State Approved