Mix PTT Panel
Label Mnemonic: MIX
Epic Lab Code: LAB1110
Downtime Form: A-1a General Laboratory Requisition
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 (mix well).
Rejection Criteria:
QNS, clot, excessive hemolysis
Delivery Instructions:
Deliver to laboratory within 1 hour of collection.
Testing Schedule:
24 hrs/day, 7 days a week, including holidays.
Turn Around Time:
2 hours (upon receipt in laboratory)
Reference Range:
PTT = 22-31 sec
MPTT = 22-31 sec
Fibg = 180-400 mg/dL
TT = 15-21 sec
Interpretive Data:
A PTT mix panel is performed to screen for a factor deficiency or inhibitor.
Comments:
A MIX testing panel should have its own draw tube and not be combined with other coagulation tests or panels to insure an adequate amount of plasma for testing.
Methodology:
Optical clot detection.
CPT Code:
85730, 85732, 85384, 85670