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Complement Activity, Alternative Pathaway (AH50)
MessageArup Laboratories
Test Code
2005373
Alias/See Also
AH50
CPT Codes
86162
Preferred Specimen
Serum
SST or plain red
SST or plain red
Minimum Volume
0.3mL
Instructions
Allow specimen to clot for on hour at room temperature. Separate serum from cells ASAP or within 2 hours of collection.
Transport Container
Plastic Vial
Transport Temperature
FROZEN
Specimen Stability
Ambient: 2 hours
Refrigerate: Unacceptable
Frozen: 2 weeks
Refrigerate: Unacceptable
Frozen: 2 weeks
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Specimens other than serum.
Refrigerated or ambient temparature specimens.
Specimens exposed to repeated freeze/thaw cycles.
Refrigerated or ambient temparature specimens.
Specimens exposed to repeated freeze/thaw cycles.
Methodology
Semi-Quantitative Radial Immunodiffusion
Setup Schedule
Schedule varies
TAT: 7-14 days
TAT: 7-14 days
