Test Code RSV Respiratory Syncytial Virus (RSV) Antigen - Nasopharyngeal Only

Important Note

On November 12, 2024, this test is longer offered in lieu of PCR testing exclusively.

Please see RSVP for inpatients who require a rapid result and RSVNA for all others.

This page will be deactivated on December 12, 2024.

Please note: RSV antigen tests are designed for children younger than 5 years old.

Older children and adults often have much lower viral loads resulting in significant decrease in antigen test sensitivity. Please see RSV by PCR for these patient populations.

For more information, see the CDC link here.

Additional Codes

Software	Test Code
Label Text	RSV
EPIC	LAB495

Performing Laboratory

NorDx Laboratories

Useful For

Detecting RSV antigen from nasopharyngeal specimens

Clinical Significance

Testing should be performed within the first few days of suspected infection as detectable amounts of virus are usually shed during the early phase of infection.

Method Name

Enzyme Immunoassay (EIA)

Reference Values

Negative

Days and Times Test Performed

Monday through Sunday

Report Available

1 Day

Available Stat

Specimen Type

Submit one of the following:

Nasopharyngeal (NP) Swab or NP Wash

Preferred Container

Screw-Capped Sterile Vial – NP wash

Sterile Vial with 3.0 mL Saline – NP Swab

UTM - NP Swab

Specimen Collection and Handling

Nasopharyngeal Only

Submit only one of the following:

SWAB: Place swab specimen into 3.0 mL of saline or 0.5 - 3.0 mL UTM.

WASH:3.0 mL of nasopharyngeal wash.

To Process:

Send refrigerated and maintain sterility.

Rejection Information

Any collection site other than Nasopharyngeal.

Mid-Turbinate collection is not acceptable.

Specimen Stability Information

Specimen Type: Nasopharyngeal Wash or NP swab in UTM

Refrigerated: 24 Hours

Room Temp: 4 Hours

Add On Capable

Yes, if within stability window

Advance Beneficiary Notice Requirements

No ABN Required

CPT Code Information

CPT Code	CPT Description	CPT Disclaimer
87420	Infectious Agent Antigen Detection by Immunoassay Technique, Qualitative or Semiquantitative, Multiple-Step Method, Respiratory Syncytial Virus

LOINC Code Information

31950-9

Keywords

RESPIRATORY SYNCYTIAL VIRUS (RSV)

RSV (RESPIRATORY SYNCYTIAL VIRUS)

SYNCYTIAL, RESPIRATORY VIRUS

Performing Laboratory Location