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Test Code UANORF Urinalysis with Microscopic - No Culture, LAB4217

Performing Laboratory

St. Luke's Hospital Cedar Rapids

Specimen Requirements

15 mL (minimum volume: 2 mL) from a first-morning urine collection is preferable, but testing can be performed on a random urine collection. Forward promptly. Specimen stability is 1 hour at ambient temperature. Specimens should be sent refrigerated if testing cannot occur within 1 hour of collection. Refigerated stability is 24 hours. Specimen should have no additive.

Reference Values

Clarity: Clear

Color:  Yellow
Glucose: Negative mg/dL

Bilirubin: Negative g/dL

Ketones: Negative mg/dL

Specific gravity: 1.005-1.030

Blood: negative mg/dL

pH: 5.0-8.0

Protein: Negative mg/dL

Urobilinogen: <2.0 eu/dL

Nitrites: Negative mg/dL

Leukocyte esterase: Negative
WBC: 0-10/HPF

RBC: 0-2/HPF

Squamous epithelial cells: 0-5/LPF

Hyaline casts:  0-2/LPF

Note: A positive result is reported as a semi-quantitative number.

Day(s) Test Set Up

Monday through Sunday

Report Available

Within 1 hour of receipt

Useful For

Urinalysis can provide the physician with important information regarding the status of a patient’s health, and can detect metabolic disease and renal disorders. Urinalysis test results are used in at-risk patient groups to assist diagnosis in the following areas:

  • kidney function
  • urinary tract infections
  • carbohydrate metabolism (e.g., diabetes mellitus)

Methodology

Reagent Strips on Automated Reader/Microscopic Analysis

Test Classification and CPT Coding

81001-Automated UA, Macroscopic and Microscopic