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Urinalysis, reflex to Urine Culture
MessageImportant Note
- Both Red/Yellow Tube (UA-preservative) AND Gray top (Urine C&S preservative) tubes are required for testing.
Test Code
UAMRX
Alias/See Also
Epic: LAB9113
Includes
If Urine WBC is >10, then urine culture will be performed at an additional charge.
Urine Color
Clarity
Urine Specific Gravity
Urine pH
Urine Leukocyte Esterase
Urine Nitrates
Urine Protein
Urine Glucose
Urine Ketones
Urine Urobilinogen
Urine Bilirubin
Urine Color
Clarity
Urine Specific Gravity
Urine pH
Urine Leukocyte Esterase
Urine Nitrates
Urine Protein
Urine Glucose
Urine Ketones
Urine Urobilinogen
Urine Bilirubin
Preferred Specimen
Both UA-preservative and culture-preservative urines are required.
Specimen Type: Urine
Collection Container: Red/Yellow tube (UA-preservative)
Specimen Volume: 8 mL
Specimen Type: Urine
Collection Container: Grey-top urine C&S perservative tube
Specimen Volume: 3 mL
Minimum Volume
1.5 mL
Instructions
- Preferred specimen is a mid-stream, clean catch sample.
- If a gray top (C&S preservative) tube is not received, testing will be cancelled and UA only will be ordered.
- If a red/yellow top (UA preservative) tube is not received, testing will be cancelled and CXURN only will be ordered.
Specimen Stability
Preserved Urine
Room temperature: 72 hours
Refrigerated: 72 hours
Frozen:Unacceptable
Unpreserved Urine
Room temperature: 2 hours
Refrigerated: 24 hours
Frozen:Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Mislabeled and unlabeled specimens, delay in being sent to the laboratory/prolonged exposure at room temperature, contamination with feces, and QNS (quantity not sufficient) status.
Setup Schedule
Daily
Report Available
Urinalysis: 1 day
Urine Culture: >2 days
Reference Range
See laboratory report
Performing Laboratory
Inova Laboratories
2832 Juniper Street
Fairfax, VA 22031
Last Updated: April 26, 2023
Last Review: N. Wolford, April 26, 2023