CPT Code: 82785
Order Code: 542
ABN Requirement: No
Specimen:
Preferred: serum
Acceptable: plasma
Preferred Minimum: 0.3 mL
Container:
Preferred: (SS, serum separator tube) or (R, red-top tube (no gel))
Acceptable: (L, lavender-top tube, EDTA), or (Gn, green-top, sodium or lithium heparin)
Collection:
- Collect and label sample according to standard protocols.
- Gently invert tube 5 times immediately after draw. Do not shake.
- Allow blood to clot 30 minutes.
- Centrifuge for 10 minutes.
Transport: Store serum at 2°C to 8°C after collection and ship the same day per packaging instructions included with the provided shipping box.
Stability:
Ambient (15-25°C): 14 days
Refrigerated (2-8°C): 14 days
Frozen (-20°C): 30 days
Methodology: Immunoassay (IA)
Turn Around Time: 3 to 4 days
Reference Range:
| Age | kU/L |
|---|---|
| ≤6 weeks | ≤9 |
| 3 months | ≤17 |
| 6 months | ≤30 |
| 9 months | ≤39 |
| 12 months | ≤53 |
| 2 years | ≤93 |
| 3 years | ≤128 |
| 4 years | ≤160 |
| 5 years | ≤192 |
| 6 years | ≤224 |
| 7 years | ≤248 |
| 8 years | ≤280 |
| 9 years | ≤304 |
| 10 years | ≤328 |
| Adult | ≤114 |
Clinical Significance: For diagnosis of allergic disease. A normal IgE level does not exclude the possible presence of an allergic disorder.
The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.