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Respiratory Pathogen Panel

Test Overview

The Respiratory Pathogen Panel (RPP) PCR Test is an advanced molecular diagnostic tool designed to detect a wide range of viral and bacterial pathogens responsible for respiratory infections. Using a small sample from a nasal or throat swab, this test quickly identifies multiple pathogens with high sensitivity and accuracy. The RPP test helps differentiate between viral and bacterial infections, allowing for appropriate and timely treatment decisions.

Test Types

  • PCR Respiratory Pathogen Panel (RPP): Detects genetic material from viruses and bacteria responsible for respiratory infections.
  • Rapid Antigen Test: Provides a quick screening for specific pathogens like influenza or RSV but with lower sensitivity.
  • Respiratory Culture: Grows bacterial pathogens from the respiratory sample to determine antibiotic susceptibility.

RPP Test Results & Ranges

Test Component:Normal Range:Abnormal (Positive for Infection):
Viral PathogensNegative (No viral DNA/RNA detected)Positive (Specific virus identified)
Bacterial PathogensNegative (No bacterial DNA detected)Positive (Specific bacteria identified)
Co-InfectionNo multiple pathogens detectedMultiple pathogens detected

Common Detected Pathogens

  • Viruses:

    • Influenza A & B – Causes seasonal flu
    • Respiratory Syncytial Virus (RSV) – Common in infants and elderly
    • Human Rhinovirus/Enterovirus – Causes common colds
    • Human Metapneumovirus (hMPV) – Causes flu-like symptoms
    • Adenovirus – Can cause respiratory infections, conjunctivitis
    • Parainfluenza Virus (Types 1-4) – Causes croup, bronchiolitis
    • SARS-CoV-2 (COVID-19) – Responsible for COVID-19 infections

  • Bacteria:

    • Mycoplasma pneumoniae – Atypical pneumonia (walking pneumonia)
    • Chlamydia pneumoniae – Causes respiratory tract infections
    • Bordetella pertussis – Causes whooping cough
    • Bordetella parapertussis – Causes milder pertussis-like symptoms

Expected Turnaround Time

  • PCR Respiratory Pathogen Panel: 24–48 hours
  • Rapid Antigen Test: 15–30 minutes
  • Respiratory Culture: 3–5 days

Specimen Requirements

  • Sample Type: Nasopharyngeal (NP) swab, oropharyngeal (throat) swab, or lower respiratory sample (sputum, BAL)
  • Volume: Adequate sample collected via swab or sputum collection
  • Container: Viral transport medium (VTM) or sterile container

Collection Instructions

  1. For Nasopharyngeal Swab:

    • Tilt head back and insert swab into nostril parallel to the palate.
    • Rotate swab gently and leave in place for a few seconds.
    • Remove and place in transport medium.

  2. For Oropharyngeal Swab:

    • Open mouth wide and swab the tonsillar area and posterior pharynx.
    • Avoid touching the tongue or cheeks.

  3. For Sputum Sample:

    • Inhale deeply and cough into a sterile container.
    • Ensure the sample is from deep within the lungs, not just saliva.
  • Storage: Keep refrigerated at 2°C–8°C if processing is delayed beyond 1 hour.

Test Details

Clinical Use: Confirms viral and bacterial respiratory infections. Helps differentiate between viral and bacterial causes for targeted treatment. Guides antiviral or antibiotic therapy decisions. Identifies co-infections for comprehensive management

Limitations: A negative result does not rule out infection if the sample was collected improperly or if the pathogen is present in low quantities. Some respiratory infections may be caused by pathogens not included in the panel.

The RPP PCR Test ensures fast, accurate, and comprehensive detection of respiratory infections, leading to effective treatment and better patient outcomes.

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