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Urine Microscopic Exam
Aka: Urine Microscopic Exam, Microscopic Urinalysis
- See Also
- Urinalysis
- Preparation: Sample
- Obtain fresh urine sample
- Centrifuge 10-15 ml at 1500 to 3000 rpm for 5 minutes
- Decant supernatant and resuspend remainder of urine
- Place 1 drop of urine on slide and apply cover slip
- Exam
- Urine Cells
- Urine White Blood Cells
- Normal <2/hpf in men and <5/hpf in women
- Urine Red Blood Cells
- Normal <3/hpf
- Dysmorphic RBCs suggest glomerular disease
- Epithelial cells
- Transitional epithelial cells are normally present
- Squamous epithelial cells suggest contamination
- Renal tubule epithelial cells suggest renal disease
- Bacteria
- Five Bacteria per hpf represents 100,000 CFU/ml
- Diagnostic for Urinary Tract Infection
- Men: Any Bacteria
- Women: 5 or more Bacteria per hpf
- Urine Crystals
- See Urine Crystals
- Urine Casts
- See Urinary Cast