2,3-Dinor 11 beta-prostaglandin F2 alpha, 24-hour urine

Alphabetical Test listing

2,3-Dinor 11 beta-prostaglandin F2 alpha, 24-hour urine-994

Test name:

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Tests included:

2,3-dinor 11B-Prostaglandin F2a
Creatinine

Useful for:

Screening for mast cell activation disorders including systemic mastocytosis using 24-hour urine specimens

Patient preparation information:

Patients taking aspirin or nonsteroidal anti-inflammatory drugs (NSAID) may have decreased concentrations of prostaglandin F2 alpha. If possible, discontinue for 2 weeks or 72 hours, respectively, prior to collecting a specimen.

Specimen type:

Urine, 24-hr

Collection container:

24 hr urine collection container, no additive

Volume:

5 mL aliquot from a 24 hr collection

Minimum volume:

4 mL aliquot from a 24 hr collection

Collection instructions:

1. Collect urine for 24 hours.

2. Refrigerate specimen during collection, and transport specimen refrigerated.

How to collect a 24 hr urine sample

Processing instructions:

Record total volume
Mix well
Transfer 5.0 mL of urine to a Mayo Screw Cap Transfer Vial (T465)

Transport container:

Screw cap transfer vial/tube (Mayo T914) - preferred

24 hr urine container - acceptable

Required forms/information:

Total volume

Transport and stability:

Refrigerated (preferred) – 14 days

Ambient – 8 hours

Frozen – 30 days

Performing lab:

Mayo Clinic Laboratories (23BPT): R-NX

Days set up:

Tu, Th

TAT:

3 - 7 days

Method:

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

Enzymatic Colorimetric Assay

Reference ranges:

<1802 pg/mg creatinine

Clinical information:

Although a random urine collection is acceptable, the preferred specimen for 2,3-dinor-11beta-prostaglandin F2 alpha analysis is a 24-hour urine collection

CPT codes:

84150

Date created:

06/22/2021

Revised date:

03/09/2023

Review date:

03/08/2023