Midstream Urine (MSU, Clean Catch)

Last updated 20.09.12

 

Definition

-  Urine sample collected after intial flow of urine has passed

 

Features

-  Preferred method for adults

-  Difficult to perform in young children

 

Indications

-  Dipstick: UTI, glucosuria, proteinuria, asymptomatic bacteruria

-  MCS: UTI

-  Formal urinalysis

 

Procedure

-  Urinate a small amount first

-  Not collected

-  Clean urethra of contaminants

-  Cleaning

-  Do not use antiseptics

-  Males: glans is cleaned

-  Females: labia cleaned & rinsed

-  Void into sterile container

-  Remove container without stopping flow

 

 

 

References