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HelpUrinalysis with Reflex to Microscopic Evaluation*
Methodology
Colorimetric Reflectance/Microscopic Evaluation
Includes pH, specific gravity, leukocyte esterase, protein, glucose, nitrite, ketones, urobilinogen, bilirubin, and blood.
Microscopic evaluation is performed if leukocytes, nitrites, and blood, or protein is positive.
Performing Laboratory
Rutland Regional Medical Center Laboratory
Specimen Requirements
Specimen Type: Urine, random collection
Container/Tube: Sterile container
Specimen Volume: 10 mL
Specimen Minimum Volume: 5 mL
Collection Instructions:
1. No preservative.
2. Refrigerate specimen after collection.
Specimen Transport Temperature
Refrigerated
Specimen must be analyzed within 8 hours.
Reference Values
pH: 5.0-8.0
Specific gravity: 1.005-1.030
Leukocyte esterase: negative
Protein: negative
Glucose: negative
Critical values (automatic call-back)
Newborns: positive clinitest
Nitrite: negative
Ketones: negative
Urobilinogen: 0.2-1.0 mg/dL
Bilirubin: negative
Blood: negative
MICROSCOPIC EVALUATION
WBC: 0-5/hpf
RBC: 0-2/hpf
Bacteria: not seen
Mucus: not seen
Casts: not seen
Crystals: not seen
Day(s) Performed
Daily
Analytical Time:
1 Day
Available STAT
Test Classification and CPT Coding
81001-Urinalysis with microscopic (if appropriate)
81003-Urinalysis (if appropriate)