Catecholamines Fractionated, 24-hour Urine

Last Modified: 2/13/2019 3:10:25 PM


Medical Necessity Documentation:  
Client Notes:  
Patient Preparation:
Patient should avoid food high in indoles: Avocado, banana, tomato, plum, walnut, pineapple, and eggplant. Patient should also avoid tobacco, tea and coffee three days prior to specimen collection.
Specimen Requirements: 10.0 mL aliquot from a well mixed 24 hour Urine Collection in (2) Plastic Vials
Collection Instructions:

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

Minimum Volume: 4.5 mL
Transport & Storage: Temperature/Stability: 1 week Ambient
1 month Refrigerated
7 weeks Frozen
Rejection Criteria: pH >3.0 and received unfrozen
Reference Range: Norpinephrine: 
0 days to 2 years: Not Established
3 years to 8 years: 5 - 41 mcg/24 hr
9 years to 12 years: 5 - 50 mcg/24 hr
13 years to 17 years: 12 - 88 mcg/24 hr
Adult: 15 - 100 mcg/24 hr

Epinephirine: 
0 days to 2 years: Not Established
3 years to 8 years: 1 - 7 mcg/24 hr
9 years to 12 years: 8 or less mcg/24 hr
13 years to 17 years: 1 or less mcg/24 hr
Adult: 2 -24  mcg/24 hr

Dopamine: 
0 days to 2 years: Not Established
3 years to 8 years: 80 - 378 mcg/24hr
9 years to 12 years: 51 - 474 mcg/24 hr
13 years to 17 years: 51 - 645 mcg/24 hr
Adult: 52 - 480 mcg/24 hr

Calculated Total (E+NE)
0 days to 2 years: N/A
3 years to 8 years: 9 - 51 mcg/24 hr
9 years to 12 years: 9 - 71 mcg/24 hr
13 years to 17 years: 13 - 90 mcg/24 hr
Adult: 26 - 121 mcg/24 hr
Critical Ranges:  
Test Comments:  
Methodology: Ultra Performance Liquid chromatography, Electrochemical Detection, Kinetic Alkaline Picrate
Clinical Significance:  
Documentation:  
Custom Panel: No

PRODUCTION SCHEDULE

Turn Around Time: 1 to 2 days
Days Performed: Monday, Tuesday, Wednesday, Thursday, Friday
Sites Performed: Quest - Chantilly
PHL Test Code: CATFU
EPIC Test Code: LAB373
Send Out Test Code: 4646 / 318X
Alternate Test Names: Catecholamine Fractionation, Urinary, Free; Catecholamines Fractionated, Free (w/out Creatinin
Included Tests: Dopamine, Epinephrine, Norepinephrine, Total Catecholamines (calculated)
CPT Coding: 82384

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