Thrombin Time with Reflex to Thrombin Time 1:1 Mix
0030260
Ordering Recommendation
 
Mnemonic
TT
Methodology
Clotting
Performed
Mon-Sat
Reported
1-2 days  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
Lt. 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. Hemolyzed or non-frozen specimens.  
Remarks
  
Stability
Ambient: 2 hours; Refrigerated: 4 hours; Frozen: 2 weeks  
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
 
Note
If Thrombin Time is elevated, then Thrombin Time 1:1 mix will be added. Additional charges apply.
CPT Code(s)
85670; if reflexed, add 85670
Components
Component Test Code*Component Chart Name
0030270Thrombin Time
0030275Thrombin Time, 1:1 Mix
* 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