Prostaglandin D2, Serum

TEST: 505530
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CPT: 84150
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Special Instructions

Serum should be collected and then frozen immediately.

This test is not approved for New York state clients.

Expected Turnaround Time

8 - 10 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.

Related Information

Specimen Requirements

Specimen

Serum

Volume

5 mL

Minimum Volume

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

Container

Serum from red-top tube

Collection

The only acceptable sample type is serum collected in a red top tube. Transfer specimen to a plastic transport tube before freezing. Store and ship frozen immediately.

Storage Instructions

Frozen

Causes for Rejection

Plasma or serum collected using a gel-barrier tube

Test Details

Use

Prostaglandin D2 is a major prostaglandin produced by the brain and by mast cells, and plays a role in vasodilation ("niacin flush") and in the development of allergic diseases such as asthma and alopecia.

Methodology

SPE and LC-MS/MS Analysis

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
505530 Prostaglandin D2, serum 12839-7 505531 Prostaglandin D2, serum pg/mL 12839-7

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CPT Statement/Profile Statement

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