Lab Test

Interferon Alpha

Alpha Interferon , ARUP #93148, EPIC: LAB6291, SOFT: XINTF

Specimen Collection Criteria

Collect: One plain Red-top tube.

  • Critical frozen. Send specimen for processing immediately after collection.
  • Separate samples must be submitted when multiple tests are ordered.

Do not use Serum Separator Tubes.

Physician Office/Drawsite Specimen Preparation

Critical frozen. Let specimen clot 30-60 minutes then centrifuge to separate serum from cells. Transfer serum to a plastic transport tube and freeze (-20°C/-4°F or below) within 30 minutes of collection.

Preparation for Courier Transport

Transport: 1.0 mL serum, frozen (-20°C/-4°F or below). (Min: 0.5 mL)

Rejection Criteria

  • Grossly hemolyzed specimens.
  • Iceteric specimens.
  • Lipemic specimens.
  • Serum Separator (SST) tubes.
  • Specimens not collected and processed as indicated. 


Ambient: Unacceptable
Refrigerated: Unacceptable
Frozen: No stability available


Results available in 8-18 days.

Reference Range

By report.

Test Methodology

Semi-Quantitative Enzyme Linked Immunosorbent Assay.


By report.

Clinical Utility

Interferon-alpha is one of three species of interferon that possesses various biological properties including immunodulating activity, anti-tumor activity and anti-viral activity. Elevated interferon-alpha levels are reportedly seen in viral diseases, chronic fatigue-immune dysfunction syndrome and some inflammatory diseases.

CPT Code


Test Codes


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This directory currently reflects information only for specimens collected and/or processed at the
Farmington Hills, Grosse Pointe, Royal Oak, and Troy campuses.