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  (Clinics, CSC Maple Grove, CSC Mpls, Grand Itasca, Lakes, Northland, Range, Ridges, Southdale, St. John's, UMMC East Bank, UMMC West Bank, Woodwinds)


Interpretive

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

 

pH

5-7

Protein (albumin)

Neg

Protein (albumin) in concentrated specimen

Trace

Blood  (hemoglobin)

Neg

Nitrite

Neg

Leukocyte

Neg

Glucose

Neg

Ketones

Neg

Bilirubin (conjugated)

Neg

Urobilinogens

0.0-2.0 mg/dL

Specific Gravity

Newborn (0-2 d)

Infant (3 d-5 mo)

6 mo and older

 

About 1.012

1.002-1.006

1.003-1.035

 

 

 



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