| Test Name: |
CATECHOLAMINES, FRACTION, SUPINE, PLASMA |
| Test Code: |
2190479 |
| Alias: |
LAB9347
|
| CPT Code(s): |
82384
|
| Test Includes: |
Epinephrine, Norepinephrine, Dopamine, Catecholamines Total |
| Preferred Specimen: |
2.0 mL plasma collected in a sodium heparin (green) tube |
| Container: |
2 - Sodium Heparin (green) |
| Alternate Container: |
EDTA (lavender) |
| Minimum Volume: |
1 mL plasma |
| Collection Instructions: |
Patient preparation: Overnight fasting is preferred.
Patients should be relaxed in a supine position before blood is drawn.
Draw specimen in 2 pre-chilled tubes. Plasma should be separated within 30 minutes of collection. Carefully pipette plasma into a plastic transport tube and freeze immediately. |
| Transport Temperature: |
Frozen |
| Stability: |
Room temperature: 6 hours
Refrigerated: 6 hours
Frozen: 30 days |
| Rejection Criteria: |
Received room temperature or refrigerated |
| Limitations: |
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes. |
| Additional Information: |
States of anxiety and stress can cause fluctuations in the catecholamine levels. Patient should avoid alcohol, coffee, tea, tobacco and strenuous exercise prior to collection. |
| Schedule: |
Set up: Mon-Fri; Report available: 4-7 days |
| Method: |
Liquid Chromatography/Mass Spectrometry (LC/MS) |
| Performing Lab: |
Quest Diagnostics, Wood Dale >SJC; #16381 |
| Clinical Significance: |
Clinically, the measurement of circulating catecholamines is valuable in the diagnosis of catecholamine secreting tumors associated chiefly with hypertension (Pheochromocytomas, Neuroblastomas, and Gangliomas) and with the evaluation of Orthostatic Hypotension. |
| Use: |
Updated 06/26/2024 |
| Reference Ranges: |
Epinephrine
<18 Years Not established
>18 Years <58 pg/mL
Norepinephrine
<18 Years Not established
>18 Years 149-564 pg/mL
Dopamine
<18 Years Not established
>18 Years <16 pg/mL
Catecholamines, Total
<18 Years Not established
>18 Years <632 pg/mL |
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The CPT codes included in this publication are in accordance with Current Procedural Terminology, a publication of the American Medical Association. CPT codes are provided here for the convenience of our clients; however, correct coding often varies from one carrier to another, and HealthLab may bill specific carriers using codes other than those shown. Clients who bill for services should verify the code(s) with the applicable payor to confirm that their use is appropriate in each case.
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| Test Type: |
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