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OSMOLALITY, FECAL
Number 637
CPT Code 84999
Alias 
Specimen Container Plastic Screw Cap Vial
Specimen Type Stool
Turn Around Time 
Days Performed 
Reference Range Contact Laboratory
Alternate Specimen 
Volume 15 mL Liquid Stool
Stability Ambient Unstable
Stability Refrigerated Unstable
Stability Frozen Preferred
Patient Preparation 
Methodology 

Freezing point depression

Limitations 
Rejection Criteria 

Stool not liquid; stool contaminated with urine; paint can submitted

Additional Instructions 
Performing Laboratory Reference Laboratory
TagsHYPERNATREMIA, MANNITOL

COVID-19 Testing Guidance

Primex Clinical Laboratories strives to provide clients with quality testing services to better support patient health. With the ongoing pandemic, COVID-19 testing has become high in demand yet testing supplies are limited.

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COVID-19 Testing Guidance

Primex Clinical Laboratories strives to provide clients with quality testing services to better support patient health. With the ongoing pandemic, COVID-19 testing has become high in demand yet testing supplies are limited.

Read More