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Urine Smear/Gram Stain
Test CodeURSM
CPT Codes
87205
Preferred Specimen
Urine
Minimum Volume
1 mL
Instructions
Collect specimen aseptically; transport in a sterile container.
Transport Container
Sterile Container
Transport Temperature
RT 2 h then 2-8 C
Specimen Stability
RT 2 h 2-8C 24 h
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Improperly labelled; Improper storage/transport
Methodology
Microscopic examination; gram stain
Setup Schedule
Daily upon receipt
Report Available
Upon Completion of Analysis
Reference Range
No Bacteria Seen
Clinical Significance
The gram stain is a critical test for the rapid, presumptive diagnosis of infectious agents and also serves to assess the quality of clinical specimens.