Protein S, Free Antigen PSFA
Method(s) | Microlatex Particle-Mediated Immunoassay |
---|---|
Specimen Required | |
Collect | One light-blue (sodium citrate) top tube. See collection and processing of coagulation specimens policy in this directory. |
Transport | 1.5 mL platelet-poor plasma, frozen. (Min: 1 mL) |
Stability | Ambient: 4 hours; Refrigerated: Unacceptable; Frozen: 3 months |
Unacceptable Conditions | Serum. EDTA plasma. Hemolyzed specimens. |
Schedule | Mon - Sat |
Billing Code | 5011017 |
CPTCode | 85306 |
Notes | CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered. |
Preferred Specimen Collection Device(s) | |
Reference Interval | |
1-89 days: 15-55% |