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Test Code UA UA Chemical Dip with Reflex Sediment

Important Note

First morning clean catch urine specimen is preferred. 

Indicate source when submitting (i.e. clean catch, cath).

A urine sediment examination will be performed only if the Chemstrip indicates the presence of leukocyte esterase OR nitrite OR protein OR blood.

Specimen Information

Container Specimen Temperature Collect Vol Submit Vol Min Vol Stability
Sterile Container Urine Refrigerate 10 mL 10 mL 5 mL 24-hrs

Specimens are stable at room temperature for a maximum of 2-hours.

 

Instrumentation / Method

Roche Cobas U-400 / Chemstrip 10 UA

Microscopic Analysis: Quick Read Slide / Visual

Reference Range

Chemical:

pH 5.0 - 8.0
Specific Gravity 1.001 - 1.035
Protein Negative
Glucose Normal
Ketones Negative
Blood Negative
Bilirubin Negative
Urobilinogen up to 1 mg/dL
Nitrite Negative
Leukocyte Esterase Negative

Critical Value(s):

Ketones - Large

 

Microscopic (if reflexed):

WBC / hpf 0 - 5
RBC / hpf 0 - 2
Casts / lpf None
Epithelial Cells Variable
Bacteria / hpf None
Crystals / hpf Variable

Critical Value(s):

Pathologic Crystals (i.e. cystine, tyrosine)

Test Schedule / Analytic Time / Test Priority

Daily / Same Day / Available STAT

LOINC / CPT/ Ordering

Component Meditech Medent LOINC CPT
UA (PANEL) UA UA    
APPEARANCE     5767-9  
COLOR     5778-6  
CLARITY     32167-9  
GLUCOSE     5792-7  
BILIRUBIN     20505-4  
KETONES     5797-6  
SG     5811-5  
pH     5803-2  
PROTEIN     5804-0  
UROBILINOGEN     20405-7  
NITRITE     5802-4  
HEMOGLOBIN     5794-3  
LEUKOCYTE ESTERASE     5799-2