Test Directory

Clear All
Test Code
TRINH
Test Name
Thrombotic Risk, Inherited
CPT Codes
81240, 81241, 85300, 85303, 85306
Included Tests
  • Factor V Leiden R506Q Mutation
  • Prothrombin (G20210A) Mutation
  • Antithrombin III Activity
  • Protein C, Functional
  • Protein S, Functional
Expected Turnaround Time
2 - 4 days
Clinical Utility

See individual test listings.
Specimen and Container Info

Specimen Type: Plasma and Whole Blood

Collection Container: 2 Full Light Blue Top (Sodium Citrate) and 1 Lavender Top (EDTA)

Minimum Volume: 1 mL plasma from 1 Light Blue Top (Sodium Citrate) and 500 µL whole blood from Lavender Top (EDTA)
Collection Instructions

Plasma: Blood should be collected in a blue-top tube containing 3.2% buffered sodium citrate. Evacuated collection tubes must be filled to completion to ensure a proper blood-to-anticoagulant ratio.

Processing and Submission Instructions

Create platelet poor plasma within 4 hours of collection according to the Specimen Collection and Processing Guidelines for Coagulation Testing.

Patient Preparation
Testing is contradictory for patients on anticoagulant therapy.
Transport Instructions

Platelet poor plasma: Transport to the laboratory frozen. 

Whole Blood: Transport to the laboratory refrigerated. 
Stability Requirements

Room Temperature

Plasma: 4 hours

Whole blood: 24 Hours

Refrigerated

Whole blood: 15 Days

Frozen

Platelet poor plasma: 14 days

Whole blood: 3 Months
Causes for Rejection
  • Any specimen with leakage on the outside of the container will be rejected
  • Any specimen collected in an outdated collection tube will be rejected
  • Platelet poor plasma thawed in transit
  • Specimens past stability
Methodology
See Individual Test Listing
Reference Intervals

See Indvidual Test Listings.
Performing Location
Roble Road Core Laboratory
Alternate Names
  • Hypercoagulability Profile
Testing Schedule
Routine, 2 times per week
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
© 2026 HNL Lab Medicine. All rights reserved.