Epic Test Code LAB21017 Urinalysis, Microscopic Examination
Performing Location(s)
BMC,CRH,LFH,HRK,OCH,FTT,FOX
Synonyms
Microscopic only
Specimen Type
Random Urine
Preferred Container
Random Urine Tube
Minumum Volume to Submit for Testing
5 mL Urine
- Multiple test can be performed from this volume. For question please contact the lab at 547-3975.
Storage Requirements
See Causes of Rejection for temperature requirements.
May be refrigerated up to 24 hours
DO NOT USE CHEMICAL PRESERVATIVES
Transportation Needs
Deliver specimen to the laboratory within 1 hour of collection. If not possible see “Storage Requirements”
Causes for Rejection
Mislabeled or unlabeled specimen
Specimen received in container with Chemical Preservatives
>1 hrs room temperature
> 24 hours refrigerated
Quantity insufficient for analysis
Interference by chromogen metabolite from certain antibiotics
Gross hemolysis
Reference Values
Microscopic | ||||||
Parameter | Population | Units | Reference Range | |||
RBC's | All populations | #/hpf | 0-2 | |||
WBC's | All populations | #/hpf | <6 | |||
Squamous Epithelium | All populations | #/hpf | <6 | |||
Transitional Epithelium | All populations | #/hpf | 0-3 | |||
Bacteria | All populations | None | None | |||
Crystals | All populations | #/hpf | None | |||
Hyaline Casts | All populations | #/lpf | 0-2 | |||
All Other Casts | All populations | #/lpf | None | |||
|
Days of Analysis
All
Available STAT
Yes
Includes
Microscopic examination of the urine or urine sediment
When a UMICO is ordered, a urine macroscopic analysis (reagent dipstick testing) is not performed (see entries for Urinalysis, Routine (RTUA) and Urinalysis, Macroscopic Analysis (UMAC) for more information on ordering a urine macroscopic examination).
Additional Information
Suggest early morning first voided urine for maximum concentration of urine analytes and formed elements
Methodology
Manual microscopy, automated using flow cyotmetry and fluorescence
CPT Code
81015
Last Updated
12-May-21 BHD