Lab Ex 57: Urinalysis

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Lab Ex 57 Urinalysis
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pH 4.6 8.0

• Normal pH is within this range
• Average 6

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Specific Gravity 1.003 1.035

• Normal SG is within this range
• This is the density of the liquid.
• Water 1.000
• 1.003 dilute
• 1.035 concentrated

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Urochrome / urobilin
Oxidized form of urobilinogen, which is yellow
and causes normal urine color
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Unorganized sediments (crystals)
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Renal calculus
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Organized sediments
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WBCs (pus)
An occasional WBC is normal Both of these samples
are abnormal
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RBCs
An occasional RBC is normal Both of these samples
are abnormal
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Epithelial cells
Usually normal
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Casts
Waxy renal failure
Granular cause varies
Hyaline usually normal
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Centrifuge
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Urine dipsticks
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Urinometer
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Sedi-stain