24050:URINALYSIS CHEMICAL REACTIONS

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24050:URINALYSIS CHEMICAL REACTIONS
Methodology: Automated Urine Chemistry (dipstick) Analyzer
Edit Date: 10/29/2008
Performed: Daily
Released: Same day
CPT Code: 81002
Specimen Collection Details
Collection: Clean catch/midstream, catheter, cystoscopic, or suprapubic urine in a sterile plastic container. A clean, non-sterile container may be used, but will not be suitable for culture. Do not submit syringes with needles attached.
Handling: Keep refrigerated. Send to laboratory within 24 hours. If delayed, submit specimen in a urinalysis preservative tube, available from Client Services. These special tubes are not designed for use with urine for urine culture.
Stability: 24 hours refrigerated or 72 hours in preservative tube.
Standard Volume: 10 mL urine.
Minimum Volume: 1 mL urine.
Transport: Refrigerated or in urinalysis preservative tube.
Comments: Includes color, clarity, specific gravity, pH, blood, protein, glucose, ketones, bilirubin and uribilinogen, leukocyte esterase, and nitrite.
Rejection Criteria: Frozen specimen; fecal contamination; specimen submitted with needle attached; unpreserved specimen held longer than 24 hours.

Reference Range
Specific Gravity 1.003-1.035
pH 5.0-8.0
Leukocyte Esterase, Nitrite, Protein, Glucose, Ketone, Urobilinogin, Bilirubin, Blood Negative