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0030260
Thrombin Time with Reflex to Thrombin Time 1:1 Mix
TT
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
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 Time
- Thrombin Clotting Time (TCT)
- TT
- Thrombin Time, Plasma
Thrombin Time with Reflex to Thrombin Time 1:1 Mix
