Urinalysis Macroscopic Reflex to Microscopic and Culture

Abbrev Code:UMIRC   
Order Code:LAB5823Order Name:UA Macroscopic Reflex to Micro and Culture
Synonyms:Chemical Screen, Reflex to Microscopic, Reflex to Culture
Methodology:Multiple reagent strip, microscopy, automated chemical strip and flow imaging
CPT Codes: 81001 x1, 81003 x1
Test Includes:Appearance, bilirubin, blood, color, glucose, ketones, leukocyte esterase, nitrite, pH, protein, specific gravity, urobilinogen/porphobilinogen.
Turnaround Time:Performed and reported 24 hours/day.
Special Instructions:If the microscopic examination is required regardless of the screen test results, the physician should request "sediment examination required".
Associated Links:

Urine Collection Procedure, Urinalysis Tests

Collection Instructions

Specimen:Urine, random collection
Optimal Volume:Submit entire collection; analysis requires 1 mL
Container:Plastic leakproof container, sterile
Alternate Containers: BD Vacutainer Plus Urinalysis Preservative Tube
Collection Instructions:Specimen of choice is a first morning, mid-stream, clean catch urine. Refrigerate the urine if it cannot be delivered immediately.

If BD Vacutainer Plus Urinalysis Preservative tube is used, a separate Vacutainer C&S Urine Culture tube is required for culture testing.
Causes for Rejection:Collected with preservatives other than BD Vacutainer Plus Urinalysis Preservative tube, stored at room temperature >2 hours, stored at refrigerated temperature >24 hours; fecal contamination. Neonatal urine specimens collected on cotton balls.

Processing and Shipping

Specimen Processing:Aliquot 12 mL, 1 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:BD Vacutainer Plus Urinalysis Preservative Tube: 72 hours at room temperature or refrigerated temperature.
Plastic Leakproof Container: 2 hours at room temperature; 24 hours refrigerated.
Test Performed at or Referral Lab Urinalysis  (M Health Maple Grove Clinic, Range, UMMC-West Bank, UMMC-East Bank, Lakes, Ridges, Northland, Southdale, Clinics, M Health Clinic and Surgery Center, Grand Itasca, St. Joseph's, St. John's, Woodwinds)


Reference Range:


Reflex criteria to run microscopic when UMIR is ordered:

   Bld – tr or higher

   Pro = 10 or higher

   Nit = pos

   Leuk = tr or higher

   Col = color other than straw, light yellow and yellow

   Clear = sl. cloudy or higher


Reflex criteria to order URC when UMIRC is ordered:

   ULEUK = mod or large

   UNIT = pos

   UWBC = greater than 10




Protein (albumin)


Protein (albumin) in concentrated specimen


Blood  (hemoglobin)










Bilirubin (conjugated)



0.0-2.0 mg/dL

Specific Gravity

Newborn (0-2 d)

Infant (3 d-5 mo)

6 mo and older


About 1.012






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