Urinalysis, Automated (with Reflex Microscopy and Culture)

CPT Code(s):

  • Urinalysis with Micro: 81001
  • Urinalysis without Micro: 81003


Semi-automated urine chemistry analyzer that measures color change by reflectance photometry.


Monday - Friday


Within 24 hours


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; or BD yellow-top urinalysis collection tube and BD gray-top culture tube filled to the appropriate fill level.

Sample Volume: 20 mL

Minimum Volume: 1 mL


  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

Collection Procedure:


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

Interpretation Data:



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

UFHPL Test #s:

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

UFHPL Epic order code: LAB12300016

Reported Notes: