| Field Name |
Data Description |
| Test Name |
Epinephrine |
| Code |
REFER |
|
CPT Code |
82384 |
| Last Modified |
12/22/2015 4:18:00 PM |
| Test Name |
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| Synonyms |
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| Patient Preparation |
REFER TO SPECIAL HANDLING |
| Spec. Requirements |
Blood |
| Tube |
Lavender (EDTA) |
| Collection Volume |
3 (2.0) mL |
| Storage |
Frozen |
| Routine TAT |
2-4 days |
| STAT TAT |
|
| Days Test Performed |
Monday - Friday |
| Performed by BHS |
None |
| See Availability |
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| Reference Lab |
LabCorp of America |
| Reference Lab Code |
349669 Epinephrine Plasma |
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| Testing Sample Type |
Plasma |
| Min Lab Testing Volume |
2.2 mL |
| Special Handling |
Patient should be fasting for four or more hours without smoking. Walnuts, bananas, and alpha-methyldopa (Aldomet(R)) should be avoided for a week prior to sampling. Other drug interference may occur, including epinephrine and epinephrine-like drugs (eg, nosedrops, sinus and cough preparations, bronchodilators, appetite suppressants). Test is unreliable in subjects on levodopa or methenamine mandelate. Avoid patient stress.[2] See Limitations. An indwelling heparinized venous catheter is advocated, since venipuncture can cause an increase in the substances for which testing is being done. Patient should remain supine in quiet surroundings for at least 30 minutes. |
| Lab Notes |
Draw blood in lavender-top (EDTA) tube or green-top (heparin) tube. Invert to mix with preservatives. Centrifugeand transfer the plasma to labeled plastic transport tube. Freeze immediately (within one hour after collection) at -20(degrees)C and ship frozen. The time between blood collection and the preparation of plasma is quite critical; if the time exceeds one hour, catecholamine values increase (when blood is kept at 4(degrees)C) or decrease (when left at 20(degrees)C) |
| Methodology |
High Performance Liquid Chromatography (HPLC) |
| Limitations |
Rejection: Specimen not drawn in correct tube; plasma not received frozen; thawed specimen; inadequate patient preparation |
