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 Field Name  Data Description
Test Name  Norovirus RT PCR Antigen.
Code  Norovirus RT PCR Antigen.
CPT Code  87798 (X2)
Last Modified  4/26/2018 2:26:00 PM
Test Name  Norovirus Ag PCR.
Synonyms  Norwal, Human, RT-PCR, Snow M, Norovi, Norwalk, Human Calicivirus, Norwalk Virus
Patient Preparation  
Spec. Requirements  Stool
Tube  Sterile container OR Para-Pak(R) Orange
Collection Volume  1.0 mL
Storage  Refrigerate. Samples in Cary-Blair medium (Para-Pak(R) Orange) can be kept at room temperature.
Routine TAT  
Days Test Performed  
Performed by BHS  None
See Availability  
Reference Lab  LabCorp of America
Reference Lab Code  138307 Norovirus, RT-PCR
Clinical Use  A negative result does not rule out the presence of PCR inhibitors in the patient specimen or Norovirus nucleic acid concentrations below the level of the detection of the assay. Noroviruses are a major cause of viral gastroenteritis in children and adults, with large outbreaks reported in hospitals, cruise ships, schools and residential homes.
Reference Range  
Critical Value  
Testing Sample Type  Stool
Min Lab Testing Volume  0.2 mL
Special Handling  Pediatric Collection/Transport: 0.5 mL stool, frozen
Lab Notes  Cause for rejection: Quantity not sufficient for analysis; specimen too old; leaking or broken tube; frozen sample in Cary-Blair medium (Para-Pak(R) Orange)
Methodology  RT-PCR - Real-Time PCR

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