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Laboratory Test Directory

Pepsin A Assay

Components

Name Method Department Units
Pepsin Enzyme-linked immunosorbent assay (ELISA)
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Specimen Requirements

BAL, Tracheal aspirate

Container Type Container Size Specimen Volume
Preferred

Sterile container

N/A 1 mL
Stability

Frozen - 30 day(s)

Specimen Preparation

  • Transport to laboratory as soon as possible
  • Freeze immediately after collection.

Reasons for Rejection

  • Wrong type of specimen
  • Not received at proper temperature
  • Thawed frozen specimen

Comments

Indicate source on sample.

CPT Code

  • 83516
  • 83986
  • 84157