Home
HelpTest Code ANTH3 Antithrombin III Activity
Additional Codes
Epic EAP: LAB311
Epic Description: ANTITHROMBIN III
Synonym
AT3
ATIII
Collection Limitations
This test can only be added to an existing specimen within 4 hours of collection when stored at Room temperature.
Specimen Type
Blood
Specimen Required
| Collection Container | Preferred Volume | Minimum Volume | |
|---|---|---|---|
| Preferred |
Light Blue, Sodium Citrate |
2.7 mL | 2.7 mL |
Specimen Stability
Specimen is stable 30 days when frozen at -20°C or 6 months at -70°C.
Instructions for Collection and Transport
Internal specimens and Home Health specimens should be delivered to CSR immediately after collection.
Remote Locations: Centrifuge specimen, remove plasma, spin plasma again, and place 1.0 ml of platelet poor plasma into a plastic vial.
Freeze specimen immediately. Transport specimen frozen on dry ice.
Aliquot Requirements
Plasma
Optimum 1.0 mL
Minimum 1.0 mL
Performing Lab
Hematology Lab
Assay Frequency
Monday - Friday (8:00am- 3:00pm)
Routine Turnaround Time
24 hours on day of testing
CSR Storage Requirements
Centrifuge specimen, remove plasma, spin plasma again, and place 1.0 ml of platelet poor plasma into a plastic vial. Freeze specimen immediately.
CPT Code Information
85300