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HelpTest Code PLTCT Platelet Count
Specimen Information
Obtain specimen using standard phlebotomy techniques.
No special patient preparation is necessary.
| Container | Specimen | Temperature | Collect Vol | Submit Vol | Min Vol | Stability |
| Lavender Top | Whole Blood | Ambient | 3.0 mL | 3.0 mL | 1.5 mL | 24-hours |
| Lavender Top | Whole Blood | Refrigerated | 3.0 mL | 3.0 mL | 1.5 mL | 48-hours |
| Lavender Microtainer | Whole Blood | Room Temperature | 0.5 mL | 0.5 mL | 0.25 mL | 24-hours |
| Lavender Microtainer | Whole Blood | Refrigerated | 0.5 mL | 0.5 mL | 0.25 mL | 48-hours |
Reject Due To:
- Above criteria not met
- Clotted
- Tube over or underfilled
- Specimen unlabeled or mislabeled
Instrumentation / Method
Sysmex XN-1000 / Hydrodynamic Focusing (DC Detection)
Reference Range
| Age | Sex | Reference Range (1000/mm3) |
| 0 - 1 Day | M / F | 140 - 290 |
| 1 Day - 6 Months | M / F | 250 - 470 |
| 6 Months - 2 Years | M / F | 200 - 450 |
| 2 - 12 Years | M / F | 200 - 440 |
| >12 Years | M / F | 140 - 440 |
Critical Values: <40 K/mm3 and >1000 K/mm3
Test Schedule /Analytical Time / Test Priority
Daily / Same Day / Available STAT
CPT / LOINC
CPT: 85049
LOINC: 777-3