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26606 Staphylococcus aureus, Nucleic Acid Test

Staphylococcus aureus, Nucleic Acid Test
Test Code: SA-NAT
Synonyms/Keywords

​​MRSA, Staph aureus, PCR​

Test Components

​Staphylococcus aureus (methicillin-susceptible)
Methicillin-resistant Staphylococcus aureus (MRSA)

Useful For

​This test is useful for the direct detection and differentiation of Staphylococcus aureus and methicillin-resistant Staphylococcus aureus (MRSA) nasal colonization.  If only MRSA is being sought, refer to test code ‘MRSAD’ – MRSA Detection PCR.​

Specimen Requirements
Specimen TypePreferred Container/TubeAcceptable Container/TubeSpecimen VolumeSpecimen Minimum Volume
(allows for 1 repeat)		Pediatric Minimum Volume
(no repeat)

​Nasal or Nares Swab​
​Copan Transystem Dual Swab
​​ ESwab™
​1 swab
​1 swab
​1 swab
Collection Processing Instructions

Specimens should be delivered to the microbiology laboratory as soon as possible. 

Swabs:

  • ​Nasal specimen collected with a COPAN Dual Swab. Leave swabs attached to the red cap. Do not cut or break swabs off to place them in the tube.
  • ​ESwab™ collect one swab

Acceptable Body Sites

​Nasal or Nares

Acceptable Specimen Types

​Swab

Specimen Stability Information
Specimen TypeTemperatureTime


​Swab​
​

​Ambient
​​< 24 hours
​Refrigerated
​5 days
Rejection Criteria

Sources other than nasal

Specimens older than 5 days

Specimens with excessive blood or mucus on swabs 

Swabs that are cut or broken off in transport tube​

Performing Laboratory Information
Performing LocationDay(s) Test PerformedAnalytical TimeMethodology/Instrumentation

​Marshfield
​Monday through Sunday
​24 hours
​Nucleic Acid Test (PCR based)
Test Information

The performance characteristics of this test have not been established in patients ≤ 21 years of age.​

The use of ESwab™ as a specimen type was developed and its performance characteristics determined by Marshfield Labs.  This laboratory is certified under the Clinical Laboratory Improvement Amendments (CLIA) as qualified to perform high complexity clinical testing.

 'ESwab' is a trademark of Copan Diagnostics.

Reference Range Information
Performing LocationReference Range

​Marshfield
​Staph. aureus Negative
MRSA Negative
Outreach CPTs
CPTModifier
(if needed)		QuantityDescriptionComments

​87640
​​​Staphylococcus aureus, amplified probe technique
​

​87641
​​​Staphylococcus aureus, methicillin resistant, amplified probe technique​
​
Synonyms/Keywords

​​MRSA, Staph aureus, PCR​

Test Components

​Staphylococcus aureus (methicillin-susceptible)
Methicillin-resistant Staphylococcus aureus (MRSA)

Ordering Applications
Ordering ApplicationDescription

​Cerner
​Staphylococcus aureus screen by PCR

If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Specimen TypePreferred Container/TubeAcceptable Container/TubeSpecimen VolumeSpecimen Minimum Volume
(allows for 1 repeat)		Pediatric Minimum Volume
(no repeat)

​Nasal or Nares Swab​
​Copan Transystem Dual Swab
​​ ESwab™
​1 swab
​1 swab
​1 swab
Collection Processing

Specimens should be delivered to the microbiology laboratory as soon as possible. 

Swabs:

  • ​Nasal specimen collected with a COPAN Dual Swab. Leave swabs attached to the red cap. Do not cut or break swabs off to place them in the tube.
  • ​ESwab™ collect one swab

Acceptable Body Sites

​Nasal or Nares

Acceptable Specimen Types

​Swab

Specimen Stability Information
Specimen TypeTemperatureTime


​Swab​
​

​Ambient
​​< 24 hours
​Refrigerated
​5 days
Rejection Criteria

Sources other than nasal

Specimens older than 5 days

Specimens with excessive blood or mucus on swabs 

Swabs that are cut or broken off in transport tube​

Useful For

​This test is useful for the direct detection and differentiation of Staphylococcus aureus and methicillin-resistant Staphylococcus aureus (MRSA) nasal colonization.  If only MRSA is being sought, refer to test code ‘MRSAD’ – MRSA Detection PCR.​

Test Components

​Staphylococcus aureus (methicillin-susceptible)
Methicillin-resistant Staphylococcus aureus (MRSA)

Reference Range Information
Performing LocationReference Range

​Marshfield
​Staph. aureus Negative
MRSA Negative
For more information visit:
Performing Laboratory Information
Performing LocationDay(s) Test PerformedAnalytical TimeMethodology/Instrumentation

​Marshfield
​Monday through Sunday
​24 hours
​Nucleic Acid Test (PCR based)
For billing questions, see Contacts
Outreach CPTs
CPTModifier
(if needed)		QuantityDescriptionComments

​87640
​​​Staphylococcus aureus, amplified probe technique
​

​87641
​​​Staphylococcus aureus, methicillin resistant, amplified probe technique​
​
For most current information refer to the Marshfield Laboratory online reference manual.