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25619 Culture, Urine-Urology Workup

Culture, Urine-Urology Workup
Test Code: UURNS
Synonyms/Keywords
​Urine C and S, Urine Culture, Urology Workup
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
​No ​Urine, clean catch midstream, first morning specimen preferred ​Sterile, Leak-proof container ​VACUETTE® urine transport tube, No Additive ​1-6.5 mL ​1 mL
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. Suprapubic aspirates are submitted in the collection syringe WITHOUT NEEDLE or a sterile screw-capped container. For more information on Specimen Collection Media/Swab, see Specimen Transport Pictorial.
Specimen Stability Information
Specimen Type Temperature Time
​Urine, Unpreserved ​Refrigerate ​<=72 hours
​Urine, Sterile Container ​Refrigerate ​<=72 hours
Rejection Criteria
Urine in swab or Eswab™
Urine >72 Hrs​
Leaking containers​
​Non sterile containers (Hats)
​Unidentified specimen
​Urine in preservative
​Unrefrigerated urine
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Marshfield ​Monday through Sunday ​2 days ​Quantitative Culture (0.01 mL)
Test Information
For Urologist Use Only or in consultation with Doctoral Microbiologist/Pathologist.
Method is sensitive to 1,000 organisms/mL of urine. Voided and cath cultures containing 3 or more species are considered contaminated unless one organism is predominant. Gram stains are not routinely performed on urine submitted for culture; request separately, if desired. A colony count is reported. 
 
Antimicrobial Susceptibility Testing (AST) will be performed on significant bacterial isolates with unpredictable patterns if standardized methods are available based upon Clinical Laboratory Standards Institute guidelines.  Methods used include disk diffusion, minimum inhibitory concentration (MIC) by broth microdilution, or MIC by Etest®.
 
A listing of the tested and reported antimicrobial agents can be seen at Urine Routine AST panels. If testing against a specific antimicrobial agent is desired, contact the microbiology laboratory.
 
The microbiology laboratory uses selective reporting of susceptibility results in order to promote rational antimicrobial usage. For more information on selective reporting, please contact the microbiology technical manager. 
 
Standardized AST is not available for all bacterial species, in which case an MIC determined by a non-standardized method and without interpretation may be available upon request. Contact the microbiology laboratory for more information.
 
'Eswab' is a trademark of Copan Diagnostics Inc. 
'Etest' is a registered trademark of bioMerieux Inc.
"VACUETTE' is a registered trademark of Greiner Bio One International GmbH. ​ ​ ​
Reference Range Information
Performing Location Reference Range
​Marshfield ​No Growth (<100 CFU/mL)
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
​87086 ​ ​ ​Colony Count ​
​87088 ​ ​ ​Isolation and Presumptive Identification ​As needed
​​87077 ​ ​ ​Definitive Identification ​As needed
​87186 ​ ​ MIC ​susceptibility, micro-broth dilution ​As needed
87184 ​ ​ ​KB (disk), susceptibility ​As needed
​87181 ​ ​ ​MIC susceptibility, E-test®, gradient strip ​As needed
​87147 ​ ​ ​Serotyping/grouping ​As needed
​ ​
Synonyms/Keywords
​Urine C and S, Urine Culture, Urology Workup
Ordering Applications
Ordering Application Description
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)
​No ​Urine, clean catch midstream, first morning specimen preferred ​Sterile, Leak-proof container ​VACUETTE® urine transport tube, No Additive ​1-6.5 mL ​1 mL
Collection Processing
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. Suprapubic aspirates are submitted in the collection syringe WITHOUT NEEDLE or a sterile screw-capped container. For more information on Specimen Collection Media/Swab, see Specimen Transport Pictorial.
Specimen Stability Information
Specimen Type Temperature Time
​Urine, Unpreserved ​Refrigerate ​<=72 hours
​Urine, Sterile Container ​Refrigerate ​<=72 hours
Rejection Criteria
Urine in swab or Eswab™
Urine >72 Hrs​
Leaking containers​
​Non sterile containers (Hats)
​Unidentified specimen
​Urine in preservative
​Unrefrigerated urine
Reference Range Information
Performing Location Reference Range
​Marshfield ​No Growth (<100 CFU/mL)
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Marshfield ​Monday through Sunday ​2 days ​Quantitative Culture (0.01 mL)
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
​87086 ​ ​ ​Colony Count ​
​87088 ​ ​ ​Isolation and Presumptive Identification ​As needed
​​87077 ​ ​ ​Definitive Identification ​As needed
​87186 ​ ​ MIC ​susceptibility, micro-broth dilution ​As needed
87184 ​ ​ ​KB (disk), susceptibility ​As needed
​87181 ​ ​ ​MIC susceptibility, E-test®, gradient strip ​As needed
​87147 ​ ​ ​Serotyping/grouping ​As needed
​ ​
For most current information refer to the Marshfield Laboratory online reference manual.