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C3 Nephritic Factor [10287X]
Test Code137182
CPT Codes
86161
Preferred Specimen
1 mL serum collected in a red-top tube (no gel)
Minimum Volume
0.25 mL (pediatric: 0.25 mL)
Instructions
Allow blood to clot at room temp 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.
Transport Temperature
Frozen
Specimen Stability
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen -70° C: 1 year
Refrigerated: Unacceptable
Frozen -70° C: 1 year
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gel barrier tubes • Thawed specimen
Methodology
Immunofixation Electrophoresis (IFE)
FDA Status
This assay is used for clinical purposes and was developed, and its performance characteristics determined by Advanced Diagnostic Laboratories at National Jewish Health. It has not been cleared or approved by the US 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; Report available: 14 days
Reference Range
0.00-0.33 ratio
Performing Laboratory
National Jewish Medical and Research Center
1400 Jackson Street
Denver, CO 80206