Prostaglandin D2/Creatinine Ratio, Urine

CPT: 82570; 84150
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Special Instructions

This test is not approved for New York state clients.

Expected Turnaround Time

8 - 10 days

Related Information

Specimen Requirements


Urine (random)


5 mL

Minimum Volume

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


Urine (random) with no preservative


Random urine is acceptable and preferred. Preservative should not be added, but the urine should be frozen immediately.

Storage Instructions


Causes for Rejection

Incorrect specimen type

Test Details


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.


SPE and LC-MS/MS Analysis


Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
505525 Prostaglandin D2/Creatinine, U 505526 Prostaglandin D2/Cr Ratio ng/g Pending
505525 Prostaglandin D2/Creatinine, U 505527 Prostaglandin D2, urine pg/mL Pending
505525 Prostaglandin D2/Creatinine, U 500334 Creatinine, Urine mg/dL 2161-8

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