| PLATELET (LAB000618) | |
|---|---|
| Test Mnemonic: | PLT
|
| Specimen Requirements: | |
| Collection: | EDTA (Lavender-top tube). Lab may request additional sodium citrate/blue top tube as needed for pseudothrombocytopenia.
|
| Container: | EDTA (Lavender-top tube) |
| Minimum Volume: | Tubes should be filled to at least 90% of the stated tube volume. |
| Storage/Transport: | Room Temperature 8 hours . If testing cannot be completed with in 8 hours sample must be refrigerated. Deliver specimens from patients with history of pseudothrombocytopenia to the lab as soon as possible after collection.
|
| Stability: |
Stable Refrigerated for 48 hours. |
| Causes for Rejection: | Clotted or presence of fibrin, QNS (quantity not sufficient/underfilled), overfilled, gross hemolysis, samples drawn above IV line or contaminated with IV fluid, Mislabeled or underlabeled, incorrect storage temperature, stability exceeded, incorrect anticoagulant.
|
| Reference Range: |
By report (reports may vary based on instrumentation, patient age and sex)
|
| Turnaround Time: | STAT: 1 hour; Routine: 4 hours
|
| Methodology: | Automated counting of platelets using electronic resistance detection enhanced by hydrodynamic focusing.
|
| Performed: | Samples are accepted 24 hours per day at Sample Management, CSW 7.412
|
| Clinical Indication: | Monitoring platelet quantity when other Complete Blood Cell (CBC) parameters are not required.
|
| CPT 4 Code: | 85595. If reflexed, additional CPT codes may apply. Immature Platelet Fraction is automatically reflexed as needed per manufacturer requirements. Refer to reflexed test code for applicable code. Additional charges may apply.
|
| Note: | Critical Values: </= 50.0 x 103/uL >/= 1.0 x 106/uL
|
| When ordering tests for which Medicare or Medicaid reimbursement will be sought, physicians should only order tests that are medically necessary for the diagnosis or treatment of the patient. Components of the organ or disease panels may be ordered individually. The diagnostic information must substantiate all tests ordered and must be in the form of an ICD-10 code or its verbal equivalent. | |