PARTIAL THROMBOPLASTIN TIME - PTT
Marquette General Health System

General Info

HLAB/HOL Code

  PTT

MGH LIS Test No

  314

Schedule

  Daily

Testing Time

  1 day

Testing Lab

  Marquette General Hospital

QORR Test Code

  PTT

Specimen Info

Type

  1 Light-Blue Top (Citrate)  

Volume

  1.0 ml plasma

Temperature

  Frozen

Preservative

   

Collection Info

  Do not over or under fill tube.  Do not centrifuge or open tube if testing will 
occur in 6 hrs.  Otherwise centrifuge, remove plasma, and freeze.
 
Specimen Acceptability

Methods
Photo optical clot detection

Clinical Utilities
A screening test for the entire intrinsic coagulation system.

CPT Codes
85730

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
Instrument specific.

Component Information

Collection Notes

Additional Comments

 

Questions or Comments email support@mgh.org

Reference Lab Home Page
Laboratory Main Page
Marquette General Health System Home Page