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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
Cryptosporidium Antigen
Test Code: VOPRC
Synonyms/Keywords
​Cryptosporidium
Species
Alpaca, Avian, Bovine, Camelid, Canine, Caprine, Equine, Feline, Ferret, Mouse, Other, Ovine, Porcine, Primate, Rabbit, Rat
Test Category
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Feces​ ​C&S Culture Medium (Cary-Blair)

Para Pak 10% Formalin

Fresh Stool in a clean, leak-proof container

​One vial feces in C&S Culture Medium (Cary-Blair)

Fresh Feces - 5 grams

​5 grams stool in C&S Medium or 1 gram fresh feces
Collection Processing Instructions
A portion of fresh stool must be placed in C&S Culture Medium (Cary-Blair) or Para-Pak 10% formalin vial within 24 hours. Refrigerated fresh stool is acceptable.
Specimen Stability Information
Specimen Type Temperature Time
​Feces in Cary Blair ​​Refrigerate ​< 7 days
​Fresh Feces ​Refrigerate ​< 48 hours
​Preserved Feces ​Room Temperature ​2 months
Rejection Criteria
Fresh Feces >48 hours post-collection
Feces in Para Pak ZN-PVA Fixative​
​Leaking Specimens
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Cleveland ​Cryptosporidium: Monday through Friday, excluding holidays ​<2 hours ​EIA
Marshfield​ ​Cryptosporidium: Monday through Friday, excluding holidays ​<2 hours ​EIA
Marshfield Center Laboratory Section
Test Information
Formed stool specimens should be thoroughly emulsified and submitted in C&S Medium.
Detects Cryptosporidium antigen only.
Reference Intervals
Performing Location Reference Intervals
Cleveland and Marshfield ​Negative for Cryptosporidium is a normal result
Synonyms/Keywords
​Cryptosporidium
Species
Alpaca, Avian, Bovine, Camelid, Canine, Caprine, Equine, Feline, Ferret, Mouse, Other, Ovine, Porcine, Primate, Rabbit, Rat
Test Category
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Feces​ ​C&S Culture Medium (Cary-Blair)

Para Pak 10% Formalin

Fresh Stool in a clean, leak-proof container

​One vial feces in C&S Culture Medium (Cary-Blair)

Fresh Feces - 5 grams

​5 grams stool in C&S Medium or 1 gram fresh feces
Collection Processing Instructions
A portion of fresh stool must be placed in C&S Culture Medium (Cary-Blair) or Para-Pak 10% formalin vial within 24 hours. Refrigerated fresh stool is acceptable.
Specimen Stability Information
Specimen Type Temperature Time
​Feces in Cary Blair ​​Refrigerate ​< 7 days
​Fresh Feces ​Refrigerate ​< 48 hours
​Preserved Feces ​Room Temperature ​2 months
Rejection Criteria
Fresh Feces >48 hours post-collection
Feces in Para Pak ZN-PVA Fixative​
​Leaking Specimens
Test Information
Formed stool specimens should be thoroughly emulsified and submitted in C&S Medium.
Detects Cryptosporidium antigen only.
Reference Intervals
Performing Location Reference Intervals
Cleveland and Marshfield ​Negative for Cryptosporidium is a normal result
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Cleveland ​Cryptosporidium: Monday through Friday, excluding holidays ​<2 hours ​EIA
Marshfield​ ​Cryptosporidium: Monday through Friday, excluding holidays ​<2 hours ​EIA
Laboratory Section
For most current information refer to the Marshfield Laboratory online reference manual.