PAI 1 Activity (Plasminogen Activator Inhibitor Type 1 Activity)

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General Information

Lab Name
Lab Code
560
External Test Id
0098781
Description

Ordering Recommendation: Detect elevated concentrations of plasminogen activator inhibitor 1 (PAI-1). Low concentrations of PAI-1 may not be accurately quantified. Not a first-line test for diagnosing inherited thrombotic or bleeding disorders.

Synonyms
0098781, FIBSC1, PAI, PAIPAN

Interpretation

Method

Bioimmunoassay

Ordering & Collection

Specimen Type
Blood
Collection

5 mL blood in BLUE TOP (Sodium citrate) tube

  • Collect specimen between 8 a.m. and 12 noon. Expedite transport to the laboratory.
Handling Instructions

Outside Laboratories:

  • Centrifuge sample for 10 minutes and remove plasma.
  • Centrifuge plasma for another 10 minutes.
  • Transfer 1.5 mL platelet-poor plasma (1 mL minimum) to a separate plastic vial and freeze at -20°C to -80°C.
  • Send frozen on dry ice.

Stability: Frozen (Critical Frozen): 2 months; Refrigerated: Unacceptable; Ambient: Unacceptable.

Unacceptable Conditions: Serum, EDTA plasma, clotted or hemolyzed specimens.

Quantity
requested: 1.5 mL platelet poor plasma
minimum: 1.0 mL platelet poor plasma

Processing

Processing

UW-MT & HMC Instructions: Forward specimen to Coag bench for processing.

Coagulation bench: Within 1 hour of draw, double-centrifuge sample and transfer 1.5 mL (1 mL min.) platelet-poor plasma to a separate plastic vial. Freeze plasma at -20°C (Sendouts frozen rack).

Login: SEND1-;FREEZE

  • RSNDT1: ARUP
  • RSTYP1: PLS
  • RTSRQ1: ;Plasminogen Activator Inhibitor 1, Activity (ARUP Test 0098781)

Sendouts, Order ARUP Test: 0098781.

Stability: Frozen (Critical Frozen): 2 months; Refrigerated: Unacceptable; Ambient: Unacceptable.

Unacceptable Conditions: Serum, EDTA plasma, clotted or hemolyzed specimens.

Performance

LIS Dept Code
Performing Location(s)
Sendout ARUP Laboratories, Inc.
800-522-2787

500 Chipeta Way
Salt Lake City, UT 84108
Frequency
Performed: Tuesday, Wednesday, Thursday. Reported: 1-8 days.
Available STAT?
No

Billing & Coding

CPT codes
Billing Comments

CPT: 85415

LOINC