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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
ARUP Consult®
Disease Topics
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, clotted or hemolyzed specimens. 
Remarks
 
Stability
Ambient: 24 hours; Refrigerated: Unacceptable; Frozen: 2 weeks 
Reference Interval
Test Number
Components
Reference Interval
0030215Prothrombin Time12.0-15.5 seconds
 PT 1:1 Mix12.0-15.5 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
  • Circulating Anticoagulant
  • Prothrombin Time 1:1 Mix
  • Prothrombin Time Inhibitor Assay
  • Prothrombin Time Mixing Study
  • Protime Correction
  • PT 1:1 Mix
  • PT Correction
  • PT Inhibitor Assay
  • PT Mixing Study