PARTIAL THROMBOPLASTIN TIME - PTT

General Information

HLAB/HOL Code: PTT
UPHSM LIS Test #: 314
Schedule: Daily
Testing Time: 1 day
Testing Lab: UP Health System-Marquette

Specimen Info
Only 1 specimen type required, unless otherwise specified

Volume: 1.0 ml plasma
Temperature: Frozen
Tube Type: 1 Light-Blue Top (Citrate)
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.

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.