| Ordering Code | 546 |
|---|---|
| Test Name | Platelet Count |
| Alias | Platelets Thrombocyte Count Total Platelet |
| Preferred Specimen | Whole Blood |
| Preferred Container | EDTA, K2 (Lavender) |
| Other Specimen/Container | Whole Blood in EDTA, K2 Microtainer (Lavender), Thrombo-tic dilution tubes in duplicate + 2 thin smears |
| Optimum Volume | FULL DRAW |
| Collection Instructions | Do NOT collect in 7 mL EDTA tube Mix well. |
| Handling Instructions | Refrigerate specimen if transport time > 24 hours Hand mix ONLY. Do NOT mix on mechanical rocker/mixer. |
| Transport Requirements | Oahu: Ambient Airline: Refrigerated |
| Specimen Stability | Ambient: 24 Hours Refrigerated: 48 Hours |
| Rejection Criteria | Frozen, Clotted, Contaminated, Over filled tube, Under filled tube, Specimen older than stability limits. |
| Avail. Stat | YES |
| Analytic Time | 1 Day |
| Methodology | Automated cell counter |
Reference range(s)
The reference ranges listed below are valid on this date of June 1, 2025.
| Component | Age | Male Norm | Male Critical Low | Male Critical High | Female Norm | Female Critical High | Female Critical Low | Units | Add'l info |
|---|---|---|---|---|---|---|---|---|---|
| Mean Platelet Volume | ALL | 7.5-11.5 | 7.5-11.5 | fL | |||||
| Platelet Count | >=18Y | 151-424 | <= 25 | >= 1000 | 151-424 | >= 1000 | <= 25 | x10(3)/uL | |
| Platelet Count | 12Y-17Y | 175-345 | <= 25 | >= 1000 | 175-345 | >= 1000 | <= 25 | x10(3)/uL | |
| Platelet Count | 6Y-12Y | 199-369 | <= 25 | >= 1000 | 199-369 | >= 1000 | <= 25 | x10(3)/uL | |
| Platelet Count | 2Y-6Y | 189-403 | <= 25 | >= 1000 | 189-403 | >= 1000 | <= 25 | x10(3)/uL | |
| Platelet Count | 6M-2Y | 206-459 | <= 25 | >= 1000 | 206-459 | >= 1000 | <= 25 | x10(3)/uL | |
| Platelet Count | 2M-6M | 244-580 | <= 25 | >= 1000 | 244-580 | >= 1000 | <= 25 | x10(3)/uL | |
| Platelet Count | 1M-2M | 229-597 | <= 25 | >= 1000 | 229-597 | >= 1000 | <= 25 | x10(3)/uL | |
| Platelet Count | 2W-1M | 248-586 | <= 25 | >= 1000 | 248-586 | >= 1000 | <= 25 | x10(3)/uL | |
| Platelet Count | 0-2W | 144-449 | <= 25 | >= 1000 | 144-449 | >= 1000 | <= 25 | x10(3)/uL |