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.

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
  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