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URINALYSIS
Message- Cannot accept sample collected in Gray top Boric Acid preservative for Urinalysis
- Due to the possibility of cross-contamination, aliquot (transfer) specimens that have undergone automated microscopy are exempt from secondary add-on testing. If add-on testing is desired, please send an additional specimen.
Test Code
UA1
CPT Codes
81003
Includes
Includes: Macroscopic Exam: specific gravity; pH; protein; ketones; glucose; bilirubin; blood; nitrites; leukocytes;
Reflex microscopic exam of WBC; RBC; casts; crystals; epithelial cells; bacteria; yeast will only be performed if any of the following results are obtained:
- Glucose = >500 mg/dL
- Protein = Positive
- Blood = Positive
- Nitrite = Positive
- Leukocyte Esterase = Positive
Preferred Specimen
1 Yellow round bottom tube
Minimum Volume
4 mL urine
Other Acceptable Specimens
Sterile Container
Instructions
Refrigerate if not tested within 2 hours
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 sample at room temperature.
Methodology
Wavelength reflectance and refractive index; laminated flow cytometry
Setup Schedule
M, T, W, Th, F, Sa, Sun
Report Available
Within 24 hours of receipt at the performing laboratory. Stat testing is available.
Clinical Significance
Microscopic exam will be performed only if dip is positive for blood, leukocyte esterase, nitrite, protein, or glucose >500 mg/dL. See Additional Information below for patient collection instructions.
Performed By
Alverno Laboratories
Performing Laboratory
Alverno Central Lab
NUR1 (Urinalysis, Beckman)
Additional Information
Clean Catch Midstream Urine Specimen
Last Updated: May 31, 2024
