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(CTC) pH, Feces
Test Code70528
CPT Codes
83986<br>Clinical Trial Code
Preferred Specimen
5 grams liquid stool collected in a sterile plastic screw-cap container
Minimum Volume
1 g
Other Acceptable Specimens
Random stool collected in a sterile leakproof container
Instructions
Random stool specimen collected in sterile plastic container or stool specimen container with spork (Warehouse # 77000). Adult and older children patients can collect the specimen by passing feces into plastic wrap stretched loosely over the toilet bowl. Then transfer 5 g of the stool specimen into the plastic container. With young children and infants wearing diapers, the diaper should be lined with clean plastic wrap to prevent absorption. A pediatric urine bag can be attached to the child to ensure that the stool specimen is not contaminated with urine. Then transfer 5 g of the stool specimen from the plastic-lined diaper to the plastic container. Do not submit the diaper itself. Freeze and transport frozen.
Transport Temperature
Frozen
Specimen Stability
Room temperature: 4 hours
Refrigerated: 24 hours
Frozen: 60 days
Refrigerated: 24 hours
Frozen: 60 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received thawed • Specimens received in Paint cans
Methodology
Potentiometric
Setup Schedule
Set up: Sun-Fri; Report available: 2-4 days
Reference Range
See Laboratory Report
