Test Code HCT Hematocrit
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 | Room Temperature | 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 / Calculation via RBC Pulse Height
Reference Range
Age | Sex | Reference Range (%) |
0 - 1 Day | Female | 37 - 47 |
Male | 42 - 52 | |
1 - 3 Days | M / F | 45 - 67 |
3 - 7 Days | M / F | 42 - 66 |
7- 14 Days | M / F | 39 - 63 |
14 Days - 1 Month | M / F | 31 - 55 |
1 Month - 6 Months | M / F | 29 - 41 |
6 Months - 2 Years | M / F | 33 - 39 |
2 Years - 6 Years | M / F | 34 - 40 |
6 Years - 12 Years | M / F | 35 - 40 |
>12 Years | Female | 37 - 47 |
Male | 42 - 52 |
Critical Values:
0 Days - 14 Days: <20.0 % and >67.0 %
> 14 Days: <20.0 % and > 60.0%
Test Schedule /Analytical Time / Test Priority
Daily / Same Day / Available STAT
CPT / LOINC
CPT: 85014
LOINC: 4544-3