Platelet Count
PLT
Test Codes
EPIC: LAB5156, Antrim: 20310
Department
Hematology
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.
Note: For known platelet clumper patients, collect one light blue top
3.2% sodium citrate tube (ensure tube is full) and one 4.0 mL lavender-top
K2EDTA tube (minimum: 2.0 mL). Label both tubes with the order requested and
rubber band the two tubes together. Place a handwritten note with the samples
stating “Previous platelet clumper. Deliver both tubes to the hematology lab.”
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.
- Centrifuged 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
Canton Laboratory
Dearborn Hematology Laboratory
Farmington Hills Hematology Laboratory
Grosse Pointe Hematology Laboratory
Lenox Laboratory
Livonia Laboratory
Royal Oak Hematology Laboratory
Taylor Hematology Laboratory
Trenton Hematology Laboratory
Troy Hematology Laboratory
Wayne Hematology Bank
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
SYSMEX XN 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
Canton Laboratory – CTN
734-454-8024
Name: Canton Laboratory – CTN
Location:
Phone: 734-454-8024
Hematology Laboratory – DBN
313-593-7905
Name: Hematology Laboratory – DBN
Location:
Phone: 313-593-7905
Hematology/Coagulation Laboratory – FH
947-521-8243
Name: Hematology/Coagulation Laboratory – FH
Location:
Phone: 947-521-8243
Hematology/Urinalysis Laboratory – GP
313-473-1809
Name: Hematology/Urinalysis Laboratory – GP
Location:
Phone: 313-473-1809
Livonia Laboratory – LVA
947-523-4370
Name: Livonia Laboratory – LVA
Location:
Phone: 947-523-4370
Lenox Laboratory – LNX
947-523-4070
Name: Lenox Laboratory – LNX
Location:
Phone: 947-523-4070
Hematology Laboratory – RO
248-551-8080
Name: Hematology Laboratory – RO
Location:
Phone: 248-551-8080
Hematology/Coagulation Laboratory – TR
248-964-8040
Name: Hematology/Coagulation Laboratory – TR
Location:
Phone: 248-964-8040
Hematology/Coagulation Laboratory – TRN
734-671-3862
Name: Hematology/Coagulation Laboratory – TRN
Location:
Phone: 734-671-3862
Hematology Laboratory – TYL
313-295-5360
Name: Hematology Laboratory – TYL
Location:
Phone: 313-295-5360
Hematology Laboratory – WYN
734-467-4029
Name: Hematology Laboratory – WYN
Location:
Phone: 734-467-4029
Last Updated
10/3/2023
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