Heparin Removal for PTT
Label Mnemonic: HPTT
Epic Lab Code: LAB1090
Downtime Form: A-1a Miscellaneous Request
Hemostasis/Thrombosis
6240 RCP
356-3573
Specimen(s):
Collection Medium:
Light Blue top tube 2.7 mL (Na Citrate)
Minimum:
Full draw; 2.7 mL; light blue top
Turn Around Time:
4 hours (upon receipt in laboratory)
Reference Range:
22-31 seconds

Heparin is degraded in plasma by the enzyme heparinase prior to performing routine coagulation tests.
Comments:
Except for NICU, all other locations need Hematology Consult approval (pager 4326) to order this test.
CPT Code:
85525
 
See Additional Information:
Hemolysis Chart