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HelpTest Code MISC1WARDEFOSMQ Osmolality - Feces
Department
SEND OUTS
Reference Lab Test Number
FOSMQ
Collection Requirements
Collect random stool. Send 1.0 mL watery, liquid stool in screw-capped plastic container.
Also acceptable: 24 or 48 hour liquid stool collection.
Primary Collection Container
Sterile Container
Transport
Stool frozen
Preferred Transport Temperature
Frozen
Processing
Send 1.0 mL liquid stool.
Stability
Ambient: Unacceptable
Refrigerated: 48 hours
Frozen: 60 days
Minimum Testing Volume
0.2 mL
Reference Range
By report
Methodology
Freezing Point Depression
Performed
Monday – Friday
Reported
6-8 days
CPT Codes
84999
Unacceptable Conditions
Specimens in paint cans; Formed stools; Specimens received at room temperature; Specimens received refrigerated.