Parainfluenza 1-4 by PCR
Also known as: PARAFLUPCR
Use
The Parainfluenza 1-4 by PCR test is designed to detect the presence of parainfluenza virus types 1 through 4. This is particularly valuable for diagnosing respiratory infections caused by these viruses, which are known contributors to upper and lower respiratory tract diseases. Accurate and timely detection can aid in distinguishing parainfluenza infections from other viral respiratory illnesses, helping to inform appropriate clinical management and infection control measures.
Special Instructions
This test is performed on specific respiratory specimens, including bronchoalveolar lavage (BAL), nasal wash, nasopharyngeal swab, or sputum. It requires the specimen to be placed in a sterile container or viral transport media before being stored refrigerated or frozen for optimal stability. Adequate labeling with specimen source is necessary as it directly impacts test performance and interpretation.
Limitations
Negative results do not preclude parainfluenza virus infection. They may occur due to low nucleic acid presence below the detection threshold or presence of PCR inhibitors in the specimen. Results should always be interpreted in conjunction with the patient's clinical presentation and epidemiological information. Lack of detection does not conclusively rule out parainfluenza virus involvement.
New York Approved
Methodology
PCR-based (qPCR)
Biomarkers
LOINC Codes
- 31208-2
- 29908-1
- 29909-9
- 29910-7
- 41010-0
Result Turnaround Time
1-5 days
Related Documents
For more information, please review the documents below
Specimen
Bronchoalveolar Lavage
Volume
2 mL
Minimum Volume
0.5 mL
Container
Sterile container or viral transport media
Collection Instructions
Transfer respiratory specimen to a sterile container or viral transport media.
Causes for Rejection
Unacceptable ambient stability.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | Unacceptable |
| Refrigerated | 4 days |
| Frozen | 1 month |