0030260
print

Thrombin Time with Reflex to Thrombin Time 1:1 Mix

TT
Example Reports
High
Normal

Ordering Recommendation

  • Assist in diagnosing dysfibrinogenemia or abnormalities with fibrin polymerization.
  • Screen samples for the presence of heparin or direct thrombin inhibitors.

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation
Collect

Light Blue (Sodium Citrate). Refer to Specimen Handling at aruplab.com for hemostasis/thrombosis specimen handling guidelines.

Specimen Preparation

Transfer 2 mL platelet-poor plasma to an ARUP Standard Transport Tube. (Min: 1 mL)

Storage/Transport Temperature

CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.

Unacceptable Conditions

Serum. EDTA plasma, clotted or hemolyzed specimens.

Remarks
Stability

Ambient: 4 hours; Refrigerated: Unacceptable; Frozen: 2 weeks

Methodology

Electromagnetic Mechanical Clot Detection

Performed

Sun-Sat

Reported

1-2 days

Reference Interval

Test Number
 Components
 Reference Interval
  Thrombin Time 14.7-19.5 seconds
  Thrombin Time, 1:1 Mix 14.7-19.5 seconds

Interpretive Data



Compliance Category

FDA

Note

If Thrombin Time is elevated, then Thrombin Time 1:1 mix will be added. Additional charges apply.

Hotline History

N/A

CPT Codes

85670; if reflexed, add 85670

Are you an ARUP Client? Click here for your pricing.

Components

Component Test Code* Component Chart Name LOINC
0030270 Thrombin Time 3243-3
0030275 Thrombin Time, 1:1 Mix 33525-7
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Thrombin Clotting Time (TCT)
  • Thrombin Time
  • Thrombin Time, Plasma
  • TT
Thrombin Time with Reflex to Thrombin Time 1:1 Mix