Urinalysis, Automated (with Reflex Microscopy)

Methodology: 
Semi-automated urine chemistry analyzer that measures color change by reflectance photometry.
Performed: 
Monday - Friday
Reported: 
Within 24 hours
Use: 
A routine urinalysis is composed of a series of physical, chemical, and microscopic screening tests which are capable of detecting a variety of renal, urinary tract, and systemic diseases.
Specimen Requirements: 
Type: Urine
 

Container/Tube: Clean plastic sample cup with securely fastened lid

Sample Volume: 20 mL
 

Minimum Volume: 1 mL

Preparation:
  1. No preservatives.
  2. Refrigerate specimen after collection

Storage: Specimens will be stable for up to 24 hours at 2 – 8ºC

Unacceptable Conditions: Urine specimens left at room temperature for more than 2 hours will be rejected.

Specimen Retention Time: 5 days
Reference Values: 
Physical and Chemical Exam
Appearance: clear – hazy
Color: straw – yellow
pH: 5.0 - 8.0
Specific Gravity 1.001- 1.035
Protein: Negative
Glucose: .00
Ketones: Negative
Blood: Negative
Bilirubin: Negative
Urobilinogen: Negative -1
Nitrite: Negative
Leukocyte Esterase: Negative
           
Microscopic Exam
WBC: 0 - 5/HPF
RBC: 0-3/HPF
Epithelial Cells: None seen - frequent/LPF
Crystals: None seen/HPF
Hyaline Casts: None/Few seen; 0 - 2/LPF
Granular Casts: None seen/LPF
RBC Casts: None seen/LPF
Bacteria: None seen/HPF



 
CPT Code (s): 
  • Urinalysis with Micro: 81001

  • Urinalysis without Micro: 81003
Notes: 

This test includes a chemical (dipstick) evaluation and reflexes a microscopic examination when specific criteria are met.

UFHPL Test #s:

  • Urinalysis with Micro: 20508
     
  • Urinalysis without Micro: 20507

UFHPL Epic order code: LAB5265

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