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Mayo Clinic Laboratories

Test Code FL TIS Unity Susan - Fluid/Tissue Culture and Gram Stain

Important Note

Gram Stain is performed at Unity Hospital.  Culture is performed at Rochester General Hospital

Specimen Volume

Variable depending on source.  Please send as much material as possible for optimal recovery.

Specimen Collection

Collect specimen in a sterile container.  Depending on source of specimen, appropriate containers may include, but are not limited to, sterile cups, syringes (needle removed), or tubes without additives.

If specimens are collected using swabs, E-swabs are preferred.

If CSF, collect in special tubes only.

Specimen Handling Instructions

Transport to laboratory at room temperature.

Stat Turn-around Time

3 hours from specimen arrival in the laboratory.

NOTE:

To avoid compromising the sterility of a specimen, per Unity protocol, if < 1 mL of sample is received the entire sample will be sent to Rochester General Hospital for both the gram stain and culture.

Due to this, stat turn-around time will be delayed.

 

Routine Turn-around Time

4 days from arrival in laboratory

Reference Ranges

See report for details. Varies per source