ANTITHROMBIN III ACTIVITY PLASMA
General Information
HLAB/HOL Code: ATIII
UPHSM LIS Test #: 205
Schedule: Tuesday - Friday
Testing Time: 1 day
Testing Lab: UP Health System-Marquette
UPHSM LIS Test #: 205
Schedule: Tuesday - Friday
Testing Time: 1 day
Testing Lab: UP Health System-Marquette
Specimen Info
Only 1 specimen type required, unless otherwise specified
Volume: 0.5 ml
Temperature: Frozen
Tube Type: 1 LightBlue Top (Citrate)
Collection Info:
Spin specimen with a Sure-Sep II or spin down, remove plasma, and spin plasma again remove from button and place plasma in plastic vial and freeze immediately.
A. Sure Sep II or double centrifuging specmens are critical for accurate results as platelet contamination may cause spurious results.
B. Patient should not be receiving heparin or coumadin.
Temperature: Frozen
Tube Type: 1 LightBlue Top (Citrate)
Collection Info:
Spin specimen with a Sure-Sep II or spin down, remove plasma, and spin plasma again remove from button and place plasma in plastic vial and freeze immediately.
A. Sure Sep II or double centrifuging specmens are critical for accurate results as platelet contamination may cause spurious results.
B. Patient should not be receiving heparin or coumadin.
Methods
Chromogenic substrate assay
Clinical Utilities
The quantitative determination of the functional activity of antithrombin III aiding in the detection of those patients at increased risk for thrombosis.
CPT Codes
85300
* The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding
is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
Reference Range
65 - 125%
