Platelet Count

Specimen Requirements

3.0 mL Whole Blood in a Lavender Top Tube - EDTA

Transport And Storage

24 hours Ambient
72 hours Refrigerated

Collection Instructions

Mix tube by inversion 5 times

Do not centrifuge

Specimens must not be clotted and cannot contain microclots. Overfilling or underfilling may allow blood to clot. Specimens may be rejected due to WBC deterioration resulting from improper storage or age of specimen

For slide preparation see Addendum D

Minimum Volume

1.5 mL (Microtainer: no less than .3 no more .5)

Neonatal Volume

0.3 mL Whole Blood Lavender Microtainer

Reference Range:

Males > 14 Yrs: 150.0 - 450.0 th/ul
Females > 14 Yrs: 150.0 - 450.0 th/ul

Critical Ranges:

Pediatric (< = 15 days old) Low Critical Limits:  < = 30.0 t/ul

Pediatric (< = 15 days old) High Critical Limits: > = 850 t/ul

Low Critical Limits:  < = 30 t/ul

High Critical Limits: > = 850 t/ul

Low NICU (Infants in a Parkview Health Neonatal Intensive Care Unit):  <= 100,000 t/ul

Low ONC (Patients in a Parkview Health Oncology Unit): <= 20 t/ul

High NICU (Infants in a Parkview Health Neonatal Intensive Care Unit):   >=600,000 t/ul

Methodology:

• Blood Cell Analyzer

CDM

01432899

CPT Coding

85049

Medical Necessity May Apply