Catecholamines Fractionated, Urine Test (7631U)
| Analysis Code |
7631U |
| Test Name |
Catecholamines Fractionated, Urine |
| Test Includes |
Dopamine (Creatinine corrected) [LC-MS/MS], Epinephrine (Creatinine corrected) [LC-MS/MS], Norepinephrine (Creatinine corrected) [LC-MS/MS] |
| Purpose |
Endocrinology |
| Category |
Catecholamine |
| Method(s) |
High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) |
| Specimen Requirements |
2 mL Urine |
| Transport Temperature |
Refrigerated |
| Specimen Container |
NMS Labs has no experimental or literature-based data regarding the choice of specific specimen collection containers for this test. |
| Special Handling |
None |
| Light Protection Required |
Not Required |
| Stability |
Room Temperature: 2 day(s)
Refrigerated: 14 day(s)
Frozen (-20 °C): Undetermined
Norepinephrine, Epinephrine and Dopamine have demonstrated loss of stability with handling procedures that do not include addition of acid and pH adjustment even when frozen. |
| Rejection Criteria |
Received Room Temperature. |
| Day(s) Test Set-up |
[LC-MS/MS] Monday-Friday 5 days |
| Suggested CPT Code |
[LC-MS/MS] 82384 |
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