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Test Code 8642 Urinalysis (Reflex to Microscopic)

Important Note

Chemical Includes: pH, Specific Gravity, Leukocyte Esterase, Protein, Glucose, Nitrite, Ketones, Urobilinogen, Bilirubin, and Blood.

Microscopic evaluation is performed if leukocytes, nitrites, blood or protein is positive.

First morning clean-catch voided urine is preferred. 

Purpose

Detect abnormalities of urine; diagnose and manage renal diseases, urinary tract infection, urinary tract neoplasms, systemic diseases, and inflammatory or neoplastic diseases adjacent to the urinary tract.

 

Performing Laboratory

Copley Hospital

 

Methodology

Colorimetric Reflectance

Microscopic Evaluation

 

Specimen Requirements

Specimen Type: Urine (Clean-Catch)

Container/Tube: Plastic Container
 

Specimen Volume: 50 mL

Specimen Minimum Volume: 10 mL

 

Collection Instructions:

1. Ensure that patient is aware of and follows

    the clean-catch urine procedure.

2. Label specimen with patient’s full name, date of birth,

    date & time of collection and person collecting.

3. Refrigerate specimen during transport.

 

Reference Values

Normal:    pH: 5.0-8.0        Specific Gravity: 1.005-1.030         Leukocyte Esterase: Negative

(Chem)      Protein: Negative      Glucose: Negative        Nitrite: Negative      Ketones: Negative                              Urobilinogen: 0.2 - 1.0 mg / dL              Bilirubin: Negative               Blood: Negative

 

Normal:     WBC: None Seen      RBC: None Seen      Bacteria: None Seen

(Micro)       Mucus: None Seen    Casts: None Seen    Crystals: None Seen

 

Stability

Refrigerated: 24 Hours

 

Day(s) Performed

Daily

Available STAT

Analytical Time: 1 Day

 

Aliases

Urinalysis (Reflex to Microscopic)

Urine Microscopic

Urinalysis

UA

 

Test Classification & CPT Coding

81001 - Urinalysis with Microscopic

81003 - Urinalysis