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Inhibitor Assay, PT with Reflex to PT 1:1 Mix
2003260
Ordering Recommendation
Initial screen for inhibitor in plasma.
Mnemonic
PT INHIB
Methodology
Electromagnetic Mechanical Clot Detection
Performed
Sun-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
Transport 1 mL plasma. (Min: 0.5 mL)  
Storage/Transport Temperature
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.  
Unacceptable Conditions
Serum. EDTA plasma or hemolyzed specimens.  
Remarks
  
Stability
Ambient: 24 hours; Refrigerated: Unacceptable; Frozen: 2 weeks  
Reference Interval
 
 
Test Number Components Reference Interval
0030215Prothrombin Time 12.0-​15.5 seconds
 Prothrombin Time 1:1 Mix 12.0-​15.5 seconds
Interpretive Data
 
Note
If the PT is prolonged, a PT 1:1 mix will be added. Additional charges apply.
CPT Code(s)
85610; if reflexed, add 85611
Components
Component Test Code*Component Chart NameLOINC
2003261PT, Inhibitor Screen 
* 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
  • Prothrombin Time 1:1 Mix
  • Prothrombin Time Inhibitor Assay
  • Prothrombin Time Mixing Study
  • PT 1:1 Mix
  • PT Inhibitor Assay
  • PT Mixing Study