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