Test Overview
Test Methodology

Sysmex XN-9100

Test Usage

Evaluation of bleeding disorders.

Reference Range *

Updated January 2021

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

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.
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
Rejection Criteria
Specimens clotted, diluted with IV fluid, containing fibrin strands and clumped platelets, received frozen/on ice, or in underfilled or improper tubes will be rejected.
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