Urinalysis Macroscopic Reflex to Microscopic
| Abbrev Code: | UMIR | ||
| Order Code: | LAB3844 | Order Name: | Urinalysis Macroscopic Reflex to Microscopic |
| Synonyms: | Chemical Screen Reflex to Microscopic | ||
| Methodology: | Depending on testing location: multiple reagent strip, microscopy, automated chemical strip, and/or 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 LAB3806. | ||
| Associated Links: | |||
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. |
| Causes for Rejection: | Collected with preservatives other than BD Vacutainer Plus Urinalysis Preservative tube, stored at room temperature > 2 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
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, UMMC East Bank, UMMC West Bank) |
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 or yellow Clear = sl. cloudy or higher
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| Use: | Screen for renal and urinary tract diseases and metabolic diseases. |
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