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URINALYSIS WITH REFLEX CULTURE
MessageDue to the possibility of cross-contamination, aliquot specimens that have undergone automated microscopy are exempt from add-on testing. If add-on testing is desired, please send an additional aliquot specimen.
Test Code
NCUA1
CPT Codes
81001
Includes
Includes: Macroscopic Exam: specific gravity; pH; protein; ketones; glucose; bilirubin; blood; nitrites; leukocytes
Preferred Specimen
Sterile Collection Kit (Gray top tube is used for culture if needed; cannot be used for UA due to the preservative). A cup or yellow tube and the gray top should be collected
Minimum Volume
4 mL
Instructions
Refrigerate if not tested within 2 hours
Transport Temperature
Refrigerate
Specimen Stability
2-8°C up to 1 day
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Contaminated with feces or tissue, insufficient volume, excessive leakage in transport pouch, or non-preserved at room temperature.
Methodology
Wavelength reflectance and refractive index; laminated flow cytometry
Setup Schedule
M, T, W, Th, F, Sa, Sun
Report Available
Urinalysis available within 24 hours of receipt at the performing laboratory. Stat testing is available.
Negative culture will be reported within 18-24 hours.
Negative culture will be reported within 18-24 hours.
Clinical Significance
Microscopic exam will be performed only if dipstick is positive for blood, leukocyte esterase, nitrite, protein, or glucose >500 mg/dL.
Culture will be performed if >10 WBCs / hpf (per high-powered field) AND the leukocyte esterase or the nitrite is positive.
Performed By
Alverno Laboratories
Performing Laboratory
Alverno Central Lab
NUR1 (Urinalysis, Beckman)
Additional Information
Clean Catch Midstream Urine Specimen
Last Updated: June 9, 2023
