Test Directory

Test Code
PTL
Test Name
Platelet Count
CPT Codes
85049
Expected Turnaround Time
1 day
Clinical Utility

Used to evaluate and monitor bleeding and other hematological and coagulation disorders, DIC, leukemias and chemotherapeutic management of malignant disease.

If clumped platelets are detected and an exact platelet Count is desired, it is recommended that a follow up specimen be submitted for a Platelet Count utilizing a Light Blue Top (Sodium Citrate) tube (order code: PTLVR).

Specimen and Container Info

Specimen Type: Whole Blood

Preferred Collection Container: Lavender Top (EDTA)

Alternate Collection Container: Microtainer, Lavender Top (EDTA) 

Desired Specimen Volume: 1mL

Alternate Specimen Volume: 0.5mL in Microtainer

Collection Instructions

Invert tube 8 - 10 times immediately after tube is filled at the time of collection.

Transport Instructions

Transport to the laboratory at room temperature.

Stability Requirements

Room Temperature

24 hours

Refrigerated

48 hours
Causes for Rejection
  • Clotted specimen
  • Specimen contaminated with IV fluid
  • Quantity not sufficient for testing
Methodology
Automated Cell Counter
Reference Intervals
Critical Values
Performing Location
1503 North Cedar Crest Surgery Center, 17th Street Hospital, 2310 Highland Avenue Surgery Center, Carbon Hospital, Cedar Crest Hospital, Cedar Crest Red Lab, Dickson City Hospital, Hazleton Hospital, Hecktown Oaks Hospital, Muhlenberg Hospital, Pocono Hospital, Redeemer Health, Roble Road Core Laboratory, Schuylkill Hospital, Tilghman Street Surgery Center
Alternate Names
  • Thrombocyte Count
Testing Schedule
Routine daily, STAT testing available