Screening for mast cell activation disorders including systemic mastocytosis
Patients taking aspirin or nonsteroidal anti-inflammatory drugs (NSAIDs) may have decreased concentrations of prostaglandin F2 alpha. If possible, discontinue for 2 weeks or 72 hours, respectively, prior to collecting a specimen.
5.0 mL aliquot from a well mixed 24 hour Urine Collection in a Plastic Container
5.0 mL Urine collected in an Sterile Gray
1. Collect a random urine specimen.
2. Refrigerate specimen after collection. Send specimen refrigerated or frozen; do not add any preservative.
8 hours Ambient
14 days Refrigerated - Preferred
30 daus Frozen
1. When starting the 24-hour period, urinate and discard (throw-away) this specimen. NOTE THE TIME
2. From that time on, collect all urine by urinating into a clean container and transfer into the provided container.
DO NOT URINATE DIRECTLY INTO CONTAINER.
3. Try to pass the last urine just prior to the end of the 24 hour period. Add this urine into the container.
4. Urine Specimen should be kept refrigerated during and after collection.
For patient collection instruction sheet see Addendum D
For Spanish patient collection instruction sheet see Addendum D
For Burmese patient collection instruction sheet see Addendum D
For Arabic patient collection instruction sheet see Addendum D
0.4 mL Urine
Refer to interpretative results
When this test is performed, urine creatinine will always be performed at no additional charge
Screening for mast cell activation disorders including systemic mastocytosis
2 to 7 days
00913334
84150
