Ordering Recommendation

Initial screen for inhibitor in plasma.

New York DOH Approval Status

This test is New York state approved.

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

Methodology

Electromagnetic Mechanical Clot Detection

Performed

Sun-Sat

Reported

1-2 days

Reference Interval

Test Number
Components
Reference Interval
  PT, Inhibitor Screen 12.0-15.5 seconds

Interpretive Data



Compliance Category

Standard

Note

If the PT is prolonged, a PT 1:1 mix will be added. Additional charges apply.

Hotline History

N/A

CPT Codes

85610; if reflexed, add 85611

Components

Component Test Code* Component Chart Name LOINC
2003261 PT, Inhibitor Screen 93321-8
* 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
Inhibitor Assay, PT with Reflex to PT 1:1 Mix