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Epic Code LAB3332 Platelet Count (Citrate/Blue Tube)

Important Note

There is currently a nationwide shortage of this tube. Please take steps to ensure specimen integrity to reduce recollection. Specimen Tube Shortage (link)

 

Platelet Count (Citrate/Blue Tube) is for platelet clumping due to EDTA. Tube must be full.

Test Name Alias

Platelet Count (Citrate Tube) | Plt Count (Citrate Tube) | 8147

Interface Order Alias

11643

Ordering Instructions

This test may be ordered when platelets show clumping in EDTA anticoagulant. Platelet clumping is not always corrected with Sodium Citrate anticoagulant.

Collection Instructions

Specimen Collection: Blood

Container(s): 3.2% Na Citrate Tube (blue top)

Preferred Volume to Collect: 2.7 mL (full tube)

Minimum Volume to Collect: 1.8 mL (full tube)

Capillary collect ok: No

Microtainer acceptable: No

 

Collection Instructions:

  • Detailed collection instructions (link): Blue Citrate Tube

  • Obtain venous blood by clean venipuncture.

  • Avoid leaving the tourniquet on the patient’s arm for an extended period prior to collection.
  • Tube must be full. Do not over fill or under fill; look for the fill indicator lines.
  • Gently invert 8 - 10 times to mix anticoagulant with blood.
  • Send to laboratory ASAP

 

Processing Instructions (Laboratory, Outpatient or Off-site collection)

  • Processed Specimen: Whole Blood
  • Centrifuge/Spin: No
  • Aliquot: No
  • Transport Temperature: Ambient

Rejection Criteria

  • Clotted specimens
  • Frozen specimens
  • Under or Overfilled tubes

Specimen Stability

Ambient: Deliver to laboratory as soon as possible

Laboratory Retention: 72 hours (United Lab: 7 days)

Test Frequency

Available 24 hours, usual TAT 1 day

Reference Range

140 – 400 × 109/L

 

Critical Values Table

Performing Department

Hematology

Performing Department Laboratory Location

Corewell Health Reference Laboratory, Grand Rapids, MI
Corewell Health Big Rapids Laboratory, Big Rapids, MI
Corewell Health Blodgett Laboratory, Grand Rapids, MI
Corewell Health Gerber Laboratory, Fremont, MI
Corewell Health Kelsey Laboratory, Lakeview, MI
Corewell Health Ludington Laboratory, Ludington, MI
Corewell Health Pennock Laboratory, Hastings, MI
Corewell Health Reed City Laboratory, Reed City, MI
Corewell Health Greenville Laboratory, Greenville, MI
Corewell Health Zeeland Laboratory, Zeeland, MI

Methodology

Sysmex XN

CPT

85049

CDM Code

3058504901

Epic Test ID

1230101047

LOINC

Platelet Citrate: 777-3

Reviewed Date

3/17/2023