Factor IX Assay (FACT IX)
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| Synonyms:
| Factor IX Activity |
| Specimen: | Blood; (1) Blue (3.2% sodium citrate) top vacutainer tube. |
| Volume: | Full primary tube |
| Minimum Volume: | 3.5 mL primary tube |
| Collection: | Specimen uncentrifuged with plasma remaining in the capped tube should be stored at room temperature (18-24°C) and tested within 4 hours of collection. If specimen is centrifuged within one hour of collection, the plasma is separated from the cells and stored for 4 hours refrigerated (2-8°C) or at room temperature (18-24°C). If testing cannot be performed within these time limits, the plasma should be removed from cells and frozen at -20°C for up to two weeks or at -70°C for up to 12 months. |
| Rejection Criteria: | Clotted; hemolyzed; incorrect specimen type and storage; short filled tube; improper labeling |
| Reference Range: | |
| Methodology: | |
| Test Use: | Evaluation of bleeding disorders due to Factor IX deficiency. Faxtor IX deficiency is commonly referred to as Hemophilia B or Christmas disease. |
| Additional Information: | Factor IX deficiency is commonly referred to as Hemophilia B or Christmas disease. |
| Testing Includes: | |
| Testing Facility: | AnMed Laboratory |