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| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Factor X Activity, Chromogenic
Test CodeFACXC
Quest Code
10663
CPT Codes
85260
Preferred Specimen
1 mL frozen plasma collected in 3.2% sodium citrate (light blue-top) tube
Minimum Volume
0.5 mL
Transport Container
Transport tube
Transport Temperature
Frozen
Specimen Stability
Room temperature: 2 hours
Refrigerted: 8 hours
Frozen: 21 days
Refrigerted: 8 hours
Frozen: 21 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received room temperature • Received refrigerated
Methodology
Chromogenic
Setup Schedule
Mon-sat
Report Available
2-4 days
Reference Range
73-158 % activity
Therapeutic reference range: 11-42 % activity
Therapeutic reference range: 11-42 % activity
Clinical Significance
To assess Factor X chromogenic activity in plasma. This assay may help in monitoring OAC patients with prolonged pro-times such as Warfarin patients with lupus inhibitor.
Performing Laboratory
| Quest Diagnostics Nichols Institute-San Juan Capistrano, CA |
| 33608 Ortega Highway |
| San Juan Capistrano, CA 92675-2042 |
