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Alternative Complement Pathway Activity [14845X]
Test Code114152
CPT Codes
86162
Preferred Specimen
1 mL frozen serum collected in a red-top tube (no gel)
Pediatric: 0.25 mL
Pediatric: 0.25 mL
Minimum Volume
1 mL
Instructions
Allow blood to clot at room temperature or 37° C for 20 to 60 minutes. Centrifuge to thoroughly remove cells and immediately transfer cell-free serum to a fresh tube and freeze the cell-free serum on dry ice or at -70° C. Do not thaw.
Note: Specimens should arrive monday-thursday only.
Note: Specimens should arrive monday-thursday only.
Transport Container
Plastic screw-cap vial
Transport Temperature
Frozen
Specimen Stability
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen -20° C: Indefinitely
Frozen -70° C: 1 year
Refrigerated: Unacceptable
Frozen -20° C: Indefinitely
Frozen -70° C: 1 year
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gel barrier tubes
Methodology
Hemolytic
FDA Status
This assay is used for clinical purposes and was developed, and its performance characteristics have been determined by National Jewish Health. It has not been cleared or approved by the U.S. Food and Drug Administration. The FDA has determined that such clearance or approval is not necessary. This laboratory is certified under the Clinical Laboratory Improvement Amendments of 1988 (CLIA-88) as qualified to perform high complexity clinical laboratory testing.
Setup Schedule
Set up: Tues a.m.; Report available: 4 weeks
Reference Range
77-159 Units/mL