METANEPHRINES, URINE
Marquette General Health System
Alpha Code |
MET | |
MGH LIS Test No |
4684 | |
Schedule |
Monday Wednesday and Thursday | |
Testing Time |
5 Days | |
Testing Lab |
Warde Medical Laboratories | |
QORR Test Code |
MET | |
Type |
Urine - 24 hr collection | |
Volume |
25 mL aliquot (10 mL min) | |
Temperature |
Refrigerate | |
Preservative |
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Collection Info |
25 mL aliquot (10.0 mL minimum). Refrigerate. 24 hour urine collection: The bladder must be emptied at the time the collection is to begin, and this urine is discarded. Thereafter all urine must be collected until the end of the scheduled time. Preferred method of collection for 24 hour collection: Collect urine with 25 mL of 6N HCL at start of collection to maintain pH between 1 and 3. Refrigerate urine during collection (critical). Mix the collection well before removing aliquot. Record Total Volume on test request and on container label. Send refrigerated 25 mL aliquot, minimum of 10 mL. NOTE: Medications that may interfere with metanephrine include amphetamines and amphetamine-like compounds, appetite suppressants, bromocriptine, buspirone, caffeine, carbidopa-levopa (Sinemet), clonidine, dexamethasone, diuretics (in doses sufficient to deplete sodium), methyldopa (Aldomet), MAO inhibitors, nose drops, propafenone (Rythmol), trycyclic antidepressants, and vasodilators. Alternate Specimen Random urine, Time Urine Alternate method of collection for random urine sample: Submit an aliquot (10 mL) and add 1-2 drops of 6N HCL to ensure pH between 1-3 . If needed add more acid. Alternate method of collection for 24 hour collection: Refrigerate urine during collection (critical) and add 25 mL 6N HCL to the entire collection within 4 hours of completing. Mix the collection well before checking the pH. Ensure pH is between 1-3. Record Total volume on test request and on container label. Send refrigerate 25 mL aliquot, minimum of 10 mL. |
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Clinical Utilities CPT Codes Reference Range
83835, 82570
Metanephrine:
Age Range
0-3 months 6-37 mcg/day
4-6 months 6-42 mcg/day
7-9 months 12-41 mcg/day
10-12 months 9-101 mcg/day
1-2 years 7-52 mcg/day
3-6 years 11-99 mcg/day
7-10 years 54-138 mcg/day
11-16 years 39-242 mcg/day
>=17 yrs 52-341 mcg/day
Normetanephrine:
Age Range
0-3 months 47-156 mcg/day
4-6 months 31-111 mcg/day
7-9 months 42-109 mcg/day
10-12 months 23-103 mcg/day
1-2 years 32-118 mcg/day
3-6 years 50-111 mcg/day
7-10 years 47-176 mcg/day
11-16 years 53-290 mcg/day
>=17 years 88-444 mcg/day
Total Metanephrines:
Age Range
0-3 months 53-193 mcg/day
4-6 months 37-153 mcg/day
7-9 months 54-150 mcg/day
10-12 months 32-204 mcg/day
1-2 years 39-170 mcg/day
3-6 years 61-210 mcg/day
7-10 years 101-314 mcg/day
11-16 years 92-532 mcg/day
>=17 years 140-785 mcg/day
Creatinine:
Male: 0.1-2.0 g/24 hrs
Female: 0.8-1.8 g/24 hrs
Component Information
Additional Comments Questions or Comments email support@mgh.org
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