Lab Test : PT Mix

Print this page Bookmark and Share
Alternate:1:1 Mix, Protime Mix
Includes:PT, 1:1 PT Mix
Phone:(937) 641-5100
Available:Daily, 24 hours
Turnaround:Routine: 3 hours; STAT 30 minutes
Volume:4.5 mL
Container:Blue top tube (3.2% sodium citrate)
Temperature:Transport to laboratory within 30 minutes.
Rejection:Tube improperly filled, specimen clotted, specimen hemoloyzed, specimen not received within 30 minutes of collection.
Normal:6 months to adult. 10.5-14.5 seconds. Ranges not established for ages under 6 months.
Uses:A 1:1 Mix is only a screening procedure for factor deficiency. A PT that is abnormal and corrects into the normal range with the PT Mix is suggestive of a factor deficiency. A PT Mix cannot be performed on a PT that is in the normal range.
Limitations:Many commonly administed drugs may affect the results obtained in PT testing. See same limitations a noted for PT testing.
Method:Photo-optical endpoint

Sign up for Pediatric Link

Finding the latest trusted child health and safety information doesn't have to be hard. Pediatric Link, Dayton Children's e-newsletter offers timely and up-to-date information for health care professionals from the experts you trust at Dayton Children's.  Sign up

Upcoming Events

Safe Kids/AAA Free Backless Booster Seat Fitting/Giveaway

Free event for anyone affected by type 1 diabetes in southern Indiana, southern Ohio and northern Kentucky. Event will be held at the Sharonville Convention Center.

View full event calendarView full event calendar

The Right Experts

Just right for all kids


The Children's Medical Center of Dayton Dayton Children's
The Right Care for the Right Reasons

One Children's Plaza - Dayton, Ohio - 45404-1815