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Specimen Requirements
Specimen Type: Urine, random collection
Container/Tube: Plastic container
Specimen Volume: 10 mL
Specimen Minimum Volume: 5 mL
Collection Instructions:
1. No preservative.
2. Refrigerate specimen after collection.
Clean catch specimen preferred. First morning voided urine preferred. Samples greater than 8 hours old may be unreliable.
Stability
2 hours at Room Temp or 24 hours Refrigerated
Reference Range
pH: 5.0-8.0
Specific gravity: 1.005-1.030
Leukocyte esterase: negative
Protein: negative
Glucose: negative
Nitrite: negative
Ketones: negative
Urobilinogen: 0.2-1.0 mg/dL
Bilirubin: negative
Blood: negative
MICROSCOPIC EVALUATION
WBC: 0-3/hpf
RBC: 0-2/hpf
Bacteria: not seen
Mucus: not seen
Casts: not seen
Crystals: not seen
Instrumentation
Siemens Clinitek Advantus
Methodology
Colorimetric Reflectance/Microscopic Evaluation
Colorimetric Reflectance is performed in the clinic lab.
Microscopic evaluation is performed at the NCH lab if leukocytes, nitrites, blood, or protein is positive.
Test Schedule/Analytical Time/ Test Priority
Daily / Same day / Available STAT
CPT (s)
81001