21100:HEMATOCRIT (HCT)
Author PeaceHealth Laboratories
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| Alias Names: |
HCT / Microhematocrit |
| Methodology: |
Automated Hematology Analyzer or centrifuged capillary tubes |
| Edit Date: |
1/18/2008 |
| Performed: |
Daily |
| Released: |
Same day |
| CPT Code: |
85013 |
| Specimen Collection Details |
| Collection: |
One lavender top (EDTA) tube (any size), or 3 capillary tubes filled with blood and sealed with clay. |
| Handling: |
Place capillary tubes inside a sealed vacutainer tube and refrigerate. |
| Stability: |
24 hours refrigerated. |
| Standard Volume: |
1 mL EDTA whole blood, or 3 capillary tubes. |
| Minimum Volume: |
0.3 mL EDTA whole blood in a 1 mL microcollection tube, or 2 capillary tubes. |
| Transport: |
Refrigerated. |
| Comments: |
If sufficient blood is submitted, an automated hematocrit will be performed. If capillary tubes are submitted, a packed cell volume (PCV) will be determined from centrifuged capillary tubes. |
| Rejection Criteria: |
Frozen specimen; clotting; marked hemolysis; broken capillary tubes.
MEDICARE MAY REQUIRE A SIGNED ADVANCE BENEFICIARY NOTICE (ABN) FOR THIS TEST |
| Complete Blood Count Normal Ranges, Human Male/Female |
|
Age |
HCT |
|
1-6 days |
42-70 |
|
1-3 weeks |
33-62 |
|
1-3 months |
26-42 |
|
4 months-4 years |
30-42 |
|
5-12 years |
32-45 |
|
Adult Female |
34.8-45.0 |
|
Adult Male |
38-9–49.9 |
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