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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
Culture, Strep, Throat Only
Test Code: STR
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
Swab
ESwab
​Other Amies medium based swab ​1 swab ​1 swab ​1 swab
Collection Processing Instructions

Specimens should be delivered to the microbiology laboratory as soon as possible. Culture of specimens older than 24 hours may lead to a reduction in recovery of microorganisms. Swabs of tonsillar fossa, tonsils, posterior pharynx, areas of ulceration or exudation, etc. submitted on a swab. Avoid swabbing tongue.

Swabs:

  • ESwab: collect one swab for Gram stain, aerobic and anaerobic cultures, and an additional swab for each additional culture type or stain (e.g. fungus or mycobacteria).
  • Other Amies medium swab types: collect one swab for every culture and stain (including Gram) to be ordered.

See ESwab collection video for more information 

Specimen Stability Information
Specimen Type Temperature Time
​Swab ​ Room Temperature​ <= 4 hours​
​Refrigerate ​> 4 hours
Rejection Criteria
Dry swab
​Leaking specimens
​Specimens older than 4 days
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Diagnostic Treatment Center ​Monday through Sunday ​2 days ​Conventional culture, manual or automated identification methods.
​Marshfield Monday through Sunday​ 3 days​ Conventional culture, manual or automated identification methods, and nucleic acid sequence analysis as needed.
Test Information
​Routinely detects beta-hemolytic Streptococcus, Group A, B, C, and G and also Arcanobacterium haemolyticum.
 
‘ESwab’ is a trademark of Copan Diagnostics.
Reference Range Information
Performing Location Reference Range
All Performing Sites None​
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
87081​ Culture​
87077​ Definitive ID, each isolate ​as needed
87147​ Typing, each antiserum ​as needed
​87153 ​Identification by nucleic acid sequencing method ​as needed
Ordering Applications
Ordering Application Description
​Centricity ​Cult. Strep, Throat Only
​Cerner ​Strep, Throat Culture Only
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
Swab
ESwab
​Other Amies medium based swab ​1 swab ​1 swab ​1 swab
Collection Processing Instructions

Specimens should be delivered to the microbiology laboratory as soon as possible. Culture of specimens older than 24 hours may lead to a reduction in recovery of microorganisms. Swabs of tonsillar fossa, tonsils, posterior pharynx, areas of ulceration or exudation, etc. submitted on a swab. Avoid swabbing tongue.

Swabs:

  • ESwab: collect one swab for Gram stain, aerobic and anaerobic cultures, and an additional swab for each additional culture type or stain (e.g. fungus or mycobacteria).
  • Other Amies medium swab types: collect one swab for every culture and stain (including Gram) to be ordered.

See ESwab collection video for more information 

Specimen Stability Information
Specimen Type Temperature Time
​Swab ​ Room Temperature​ <= 4 hours​
​Refrigerate ​> 4 hours
Rejection Criteria
Dry swab
​Leaking specimens
​Specimens older than 4 days
Test Information
​Routinely detects beta-hemolytic Streptococcus, Group A, B, C, and G and also Arcanobacterium haemolyticum.
 
‘ESwab’ is a trademark of Copan Diagnostics.
Reference Range Information
Performing Location Reference Range
All Performing Sites None​
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Diagnostic Treatment Center ​Monday through Sunday ​2 days ​Conventional culture, manual or automated identification methods.
​Marshfield Monday through Sunday​ 3 days​ Conventional culture, manual or automated identification methods, and nucleic acid sequence analysis as needed.
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
87081​ Culture​
87077​ Definitive ID, each isolate ​as needed
87147​ Typing, each antiserum ​as needed
​87153 ​Identification by nucleic acid sequencing method ​as needed
For most current information refer to the Marshfield Laboratory online reference manual.