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High Molecular Weight Kininogen

Test Code
LAB1115


Alias/See Also
LAB1115
LabCorp TC: 500460
HMWK
Fitzgerald Factor


CPT Codes
85293

Preferred Specimen
2.0 mL frozen, platelet-poor plasma collected in a 3.2% sodium citrate (light blue-top) tube.


Minimum Volume
1.0 mL 


Transport Temperature
Frozen


Methodology
Clot-Based

Report Available
4-8 days


Clinical Significance
Useful in the evaluation of an elevated aPTT. Measurement of high molecular weight kininogen concentration.


Performing Laboratory
LabCorp



The CPT Codes provided in this document 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 payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.