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Test Code UA Urinalysis, reflex to Microscopic

Additional Codes

Epic: LAB347

Specimen Required

Specimen Type: Preserved Urine

Submission Container/Tube: Red/Yellow Tube (UA-preservative)

Specimen Volume: 8 mL

Collection Instructions: 

  1. Preferred specimen is a mid-stream, clean catch sample.

Additional Information:

  1. If a urine culture is needed, submit a separate order and specimen in gray-top urine culture tube.  UA-preservative tubes are not acceptable for culture testing.

 

Specimen Type: Unpreserved Urine

Submission Container/Tube: Sterile container

Specimen Volume: 8 mL

Includes

Urine Color

Clarity

Urine Specific Gravity

Urine pH

Urine Leukocyte Esterase

Urine Nitrates

Urine Protein

Urine Glucose

Urine Ketones

Urine Urobilinogen

Urine Bilirubin

Testing Algorithm

Microscopic exam is performed, when appropriate, at an additional charge.

Specimen Minimum Volume

1 mL

Specimen Stability

Preserved Urine

Room temperature: 72 hours

Refrigerated: 72 hours

Frozen:Unacceptable

 

Unpreserved Urine

Room temperature: 2 hours

Refrigerated: 24 hours

Frozen:Unacceptable

Reference Range

See laboratory report.

Rejection Due To

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.

Day(s) and Time(s) Performed

Daily

Report Available

1 day

Clinical Significance

Dipstick urinalysis measures chemical constituents of urine. Microscopic examination helps to detect the presence of cells, bacteria, yeast and other formed elements.