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# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Norovirus PCR, Feces (LNORO)
Test Code: LNOROSO
Synonyms/Keywords
Human Calicivirus
Norwalk virus
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
​No ​Feces ​Cary-Blair medium (para-Pak Orange) ​1 gram or 5 mL
Collection Processing Instructions
1. Collect fresh stool and place in preservative within 1 hour of collection.
2. Visibly formed stool is not consistent with Norovirus gastrointestinal disease and should not be submitted for testing.
Specimen Stability Information
Specimen Type Temperature Time
​Feces ​Ambient ​7 days
Rejection Criteria
QNS
​Specimen too old
​Leaking or broken tube
​Frozen sample in Cary-Blair medium
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Mayo Medical Labs ​Monday through Sunday ​5-7 days ​Real-time reverse transcriptase polymerase chain reaction (RT-PCR)
Reference Lab
Reference Range Information
See Report
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
​87798 ​2
Synonyms/Keywords
Human Calicivirus
Norwalk virus
Ordering Applications
Ordering Application Description
​Centricity ​Norovirus PCR, Feces (FNOR)
​Cerner ​Norovirus PCR, Feces (FNOR)
​COM ​Norovirus PCR, Feces (FNOR)
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
​No ​Feces ​Cary-Blair medium (para-Pak Orange) ​1 gram or 5 mL
Collection Processing Instructions
1. Collect fresh stool and place in preservative within 1 hour of collection.
2. Visibly formed stool is not consistent with Norovirus gastrointestinal disease and should not be submitted for testing.
Specimen Stability Information
Specimen Type Temperature Time
​Feces ​Ambient ​7 days
Rejection Criteria
QNS
​Specimen too old
​Leaking or broken tube
​Frozen sample in Cary-Blair medium
Reference Range Information
See Report
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Mayo Medical Labs ​Monday through Sunday ​5-7 days ​Real-time reverse transcriptase polymerase chain reaction (RT-PCR)
Reference Lab
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
​87798 ​2
For most current information refer to the Marshfield Laboratory online reference manual.