| Test Name: | Hematocrit (HCT) |
| Epic Order Code: | LAB289 | | |
| CPT Code: | 85014 | | |
| Specimen(s) Type: | Whole blood; 2.0 mL minimum |
| Acceptable Container(s): |  Top is purple (lavender). |
| Testing Schedule: | 24 hours/day, 7 days/week |
| Turn Around Time: | STAT: 1 hour | | |
| | Routine: 4 hours | | |
| Collection Information: | No special patient preparation is required. Obtain specimen by standard collection procedures. |
| Transport Information: | Deliver to lab immediately. All specimens must be signed into the laboratory. |
| Reference Clients: | If unable to deliver to the lab immediately, store and transport specimen at 2-8° C. Specimen must be received in the lab within 48 hours. |
| Causes for Rejection: | Improperly labeled, incorrect container, contaminated, insufficient quantity, incorrect/delay in transport, grossly hemolyzed, clotted. |
| Reference Range: | Age | Male % | Female % |
| | 0 - 14 days: | 39.8 - 53.6 | 39.6 - 57.2 |
| | 15 - 30 days: | 30.5 - 45.0 | 32.0 - 44.5 |
| | 31 - 60 days: | 26.8 - 37.5 | 27.7 - 35.1 |
| | 61 - 180 days: | 28.6 - 37.2 | 29.5 - 37.1 |
| | 181 days - 2 yrs: | 30.8 - 37.8 | 30.9 - 37.9 |
| | 2 - 5 yrs: | 31.0 - 37.7 | 31.2 - 37.8 |
| | 6 - 11 yrs: | 32.2 - 39.8 | 32.4 - 39.5 |
| | 12 - 17 yrs: | 33.9 - 43.5 | 33.4 - 40.4 |
| | > 18 yrs: | 40.0 - 50.0 | 36.0 - 46.0 |
| | Critical: < 18 or > 60% |
| Additional Information: | |