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| 58910:COMPLEMENT CH50, TOTAL | |||||||||
| Alias Names: | CH50 | ||||||||
| Methodology: | Red Cell Hemolysis | ||||||||
| Edit Date: | 4/19/2010 | ||||||||
| Performed: | Tuesday, Thursday | ||||||||
| Released: | Same day as tested | ||||||||
| CPT Code: | 86162 | ||||||||
| Specimen Collection Details | |||||||||
| Collection: | One 7.5 mL serum separator tube (SST) or one 5 mL red top tube. | ||||||||
| Handling: | Allow blood to clot at ambient temperature for 60 minutes. Centrifuge and separate serum from cells immediately. CRITICAL: Freeze at -20° C immediately. Allow no more than one freeze/thaw cycle. If other testing is ordered, send separate specimen for this test. | ||||||||
| Standard Volume: | 0.5 mL serum. | ||||||||
| Minimum Volume: | 200 µL serum. | ||||||||
| Transport: | Frozen on dry ice. | ||||||||
| Rejection Criteria: | Hemolysis; specimens which have been frozen and thawed more than once. | ||||||||
| CH-50 Total Complement Result Interpretation: | |||||||||||||||||||
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>100 CH50 Units |
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| 0-100 CH50 Units | >100 CH50 Units | ||||||||||||||||||
| Absent or Low | Normal | ||||||||||||||||||
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The results obtained by this assay will provide a quantitative value for the functional activity of total complement. This test can determine whole complement levels, but does not identify the component or components that are abnormal. |
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