Lab Test

Platelet Count

PLT

Test Codes

Antrim #20310, EPIC: LAB5156, SOFT: PLT

Specimen Collection Criteria

Collect (preferred specimen): One 4.0 mL Lavender-top K2EDTA tube. (Minimum: 2.0 mL)
Also acceptable: One Lavender-top K2EDTA Microtainer®. (Minimum: 300 mcL)
See Minimum Pediatric Specimen Requirements for Microtainer® collection. 

Physician Office/Draw Specimen Preparation

Maintain specimens refrigerated (2-8°C or 36-46°F) prior to transport. Room temperature (20-26°C or 68-78.8°F) is acceptable for a maximum of 8 hours.

Preparation for Courier Transport

Transport: Whole blood or capillary blood, refrigerated (2-8°C or 36-46°F). (Minimum: 2.0 mL whole blood or 300 mcL capillary blood)

Rejection Criteria

  • Specimens containing clots.
  • Insufficient volume.
  • Frozen specimens.

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 8 hours
Refrigerated (2-8°C or 36-46°F): 72 hours
Frozen (-20°C/-4°F or below): Unacceptable

Specimen Storage in Department Prior to Disposal:

Refrigerated (2-8°C or 36-46°F): 7 days

Laboratory

Farmington Hills Hematology Laboratory
Grosse Pointe Hematology Laboratory
Royal Oak Hematology Laboratory
Troy Hematology Laboratory

Performed

Sunday – Saturday, 24 hours a day.
STAT results available in 30 minutes; 60 minutes if further verification is necessary.
Routine results available in 90 minutes, unless further verification is necessary.

Reference Range

Female: 150-400 bill/L.
Male: 150-400 bill/L.
Pediatric (1 day – 17 years): 150-450 bill/L.

Test Methodology

Grosse Pointe: SYSMEX XN Series.
Farmington Hills, Royal Oak & Troy: SYSMEX XE Series.

Clinical Utility

This assay aids in the evaluation, diagnosis and follow-up of bleeding disorders, purpura/petechiae, drug induced thrombocytopenia, idiopathic thrombocytopenic purpura, disseminated intravascular coagulation, leukemia, and chemotherapeutic management of malignant disease.

CPT Codes

85049

Contacts

Last Updated

6/11/2020

Microtainer® and Vacutainer® are registered trademarks of Becton, Dickinson and Company.
UroVysion® is a registered trademark of Abbott Laboratories. ThinPrep® is a registered trademark of Hologic, Incorporated.

 

This directory currently reflects information only for specimens collected and/or processed at the
Farmington Hills, Grosse Pointe, Royal Oak, and Troy campuses.