Published on April 04, 2025

Quantra QPlus

Tube Type (both)

Red draw/discard

Blue send to Core lab

Test ID

LAB10224

EPIC ORDER

QPLUS

CPT Code(s)

85396

Group/Individual Test

Group

Laboratory

Core Laboratory

Tube Station

DO NOT TUBE-Samples must be walked to Core laboratory

Specimen

Routine:

2.7ml blood/Lt Blue Sodium Citrate tube
- Must be full; See Comments

Stability

Room Temp:

4 hours

Availability

Routine:

24/7

STAT:

24/7

Turnaround Time

2 hours

Reference Range

Analyte	Age/Gender	Reference Interval	Reportable Ranges (Valid Ranges)
CS	≥18 years/All	13.0-33.2 hPa	2-65 hPa
CT	≥18 years/All	104-166 sec	60-480 sec
CTH	≥18 years/All	103-153 sec	60-480 sec
CTR**	≥18 years/All	NA	0.8-4.0
FCS	≥18 years/All	1.0-3.7 hPa	0.2-30 hPa
PCS	≥18 years/All	11.9-29.8 hPa	2-50 hPa

**Clot Time Ratio (CTR) is a calculated parameter. Samples with CTR values >1.4 are indicative of prolongation of the intrinsic pathway clotting time, likely due to the interference of unfractionated heparin.

Comments

Draw with a 20-22 gauge needle
Do NOT refrigerate
Do NOT freeze
Do NOT centrifuge
Draw and discard a red top tube before collecting the 3.2% sodium citrate, 2.7 mL light blue top.
Do NOT send in pneumatic tube station, samples must be walked to lab. Samples sent through tube station will be cancelled.
Do NOT collect with a collection device coated with an anti-coagulant.
Do NOT collect from a heparinized line or lock.
Note: The Quantra QPLUS System is indicated for the evaluation of blood coagulation in perioperative patients aged 18 years and older to assess possible hypocoagulable and hypercoagulable conditions in cardiovascular and major orthopedic surgeries before, during, and following the procedure. Results obtained with Quantra QPLUS System should not be the sole basis for patient diagnosis.
QPlus-Clinical Presentation for Didactic Provider Training

Reviewed by J. Carr on November 20, 2025

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514