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Urinalysis, with reflex to culture and sediment
MessagePerformed in the Hematology Laboratory x5475, 76
Test Code
UARC
CPT Codes
81015
Includes
Chemical UA as well as assessment of urine sediment for RBC, WBC, epithelial cells, casts, crystals, bacteria and other
formed elements. A culture will be relexed based on the presence of nitrite, positive esterase, and/or positive WBC.
formed elements. A culture will be relexed based on the presence of nitrite, positive esterase, and/or positive WBC.
Preferred Specimen
12 mL fresh voided, clean catch urine
Minimum Volume
2 mL
Instructions
Refrigerate if specimen transport to laboratory is delayed.
Transport Container
Plastic, Leakproof Container (screw cap)
Transport Temperature
Room Temperature
Specimen Stability
Room Temperature: 1 hour
Refrigerated: 6 hours
Refrigerated: 6 hours
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
QNS, too old for testing (>6 hours unrefrigerated)
Methodology
Bright light microscopy
Setup Schedule
24/7
Reference Range
Specific Gravity 1.000-1.035
PH 4.8-8.0
Color: yellow or amber
Clarity: Clear
Protein, Glucose, Ketones, Bilirubin, Blood, Nitrite,Leukocyte Esterase: negative
Urobilinogen: 0.2-1.0 E.U./dL
Bacteria: negative
Hyaline Casts:0-3/ LPF
Crystals: negative
RBC:0-5/HPF
WBC:0-5/HPF
PH 4.8-8.0
Color: yellow or amber
Clarity: Clear
Protein, Glucose, Ketones, Bilirubin, Blood, Nitrite,Leukocyte Esterase: negative
Urobilinogen: 0.2-1.0 E.U./dL
Bacteria: negative
Hyaline Casts:0-3/ LPF
Crystals: negative
RBC:0-5/HPF
WBC:0-5/HPF
Clinical Significance
Assessment of infection and various disease states of the kidneys/urinary tract . Microscopic examination helps to detect the presence of cells and other formed elements.
