Tissue Plasminogen Activator (tPA) Antigen

TEST: 500029
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CPT: 85415
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Synonyms

tPA Antigen

Expected Turnaround Time

2 - 7 days

Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.

Specimen Requirements

Specimen

Citrated plasma

Volume

1 mL

Minimum Volume

0.5 mL (Note: This volume does not allow for repeat testing.)

Container

Light blue-top (sodium citrate) tube

Collection

Drawn without tourniquet

Storage Instructions

Ship frozen on dry ice.

Test Details

Methodology

Enzyme-linked immunoassay (ELISA)

Reference Interval

Age Range (ng/mL) <18y Use published ranges 18 - 60y <14.1

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The LOINC® codes are copyright © 1994-2021, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf