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Prostaglandin D2/Creatinine Ratio, Urine

CPT

82570; 84150

Test Details

Methodology

SPE and LC-MS/MS Analysis

Result 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

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.

Specimen Requirements

Specimen

Urine (random)

Volume

5 mL

Minimum Volume

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

Container

Urine (random) with no preservative

Collection Instructions

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

Storage Instructions

Frozen

Causes for Rejection

Incorrect specimen type

LOINC® Map

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 12838-9
505525 Prostaglandin D2/Creatinine, U 500334 Creatinine, Urine mg/dL 2161-8
Order Code505525
Order Code NameProstaglandin D2/Creatinine, U
Order Loinc
Result Code505526
Result Code NameProstaglandin D2/Cr Ratio
UofMng/g
Result LOINCPending
Order Code505525
Order Code NameProstaglandin D2/Creatinine, U
Order Loinc
Result Code505527
Result Code NameProstaglandin D2, urine
UofMpg/mL
Result LOINC12838-9
Order Code505525
Order Code NameProstaglandin D2/Creatinine, U
Order Loinc
Result Code500334
Result Code NameCreatinine, Urine
UofMmg/dL
Result LOINC2161-8