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HelpTest Code METAFR Metanephrines, Fractionated, 24-hour Urine
Additional Codes
2007996
Specimen Type
Urine
Preferred Collection Container
24 Hr. Urine Container or Random Urine, no preservative required
Collection Instructions
For 24 hour collecitons instruct the patient to void at 8:00 AM and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24-hour collection period, i.e., 8:00 AM the next morning. Refrigerate during collection. Screw the lid on securely. Specimens should be transported promptly to the Clinical Laboratory. Container must be labelled with patient's full name, room number, date and time collection started, and date end time collection finished.
Collection Volume
4 mL aliquot of well mixed 24 hour collection or random specimen
Minimum Collection Volume
2.5 mL
Testing Volume
2.5 mL
Rejection Criteria
Specimens preserved with boric acid or acetic acid
Specimen Storage and Stability
Ambient: Unacceptable; Refrigerated: 2 weeks (unpreserved), 1 month (preserved); Frozen: 1 month
Day(s) and Time(s) Performed
Sunday through Saturday
CPT Coding
83835
EPIC Code
LAB7112
Methodology
High Performance Liquid Chromatography-Tandem Mass Spectrometry
Acceptable Collection Container
24 Hr. Urine Container or Random Urine, no preservative required
Transport
Refrigerated
Turn Around Time
2-6 days
Lab Department
Referred Testing
LOINC
Creatinine, Urine - per volume 2161-8, Creatinine, Urine - per 24h 2162-6, Metanephrines, Urine Interpretation 49283-5, Total Volume 19153-6, Hours Collected 30211-7, Metanephrine, Urine - per volume 21019-5, Normetanephrine, Urine - per volume 21422-1, Metanephrine, Urine - per 24h 19049-6, Metanephrine, Urine - ratio to CRT 35644-4, Normetanephrine, Urine - per 24h 2671-6, Normetanephrine, Urine - ratio to CRT 44342-4