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Test Code LAB4215 URINALYSIS WITH MICROSCOPIC

Important Note

Microscopic exam will be ran regardless of dipstick results.

Specimen Type

Preferred Specimen: Yellow Urine Tube, and Urine Grey C&S Tube
Alternative Specimen: Leakproof Plastic Urine Container

Collection Instructions

Collect sample using the clean catch midstream collection procedure or urine cath bag. Maintain sterility. Submit sample in a yellow top urine tube or sterile plastic leakproof container and a grey top urine C&S preservative tube filled completely. If unable to collect enough sample to fill the grey top tube, submit sample in just yellow top tube or other sterile plastic leakproof container.

Specimen Volume

12 mL

Minimum Volume

4 mL; pediatric 2 mL

Turnaround Time

STAT: 1 hour

Routine: 4 hours

Test Schedule

Daily

Sample Stability

Room Temp: 2 Hours

Refrigerated: 24 Hours

 

Method

Flow Cell Digital Imaging/Colorimetric

Reference Ranges

Color  

Appearance

Glucose, Urine mg/dL             Negative

Bile, Urine                                Negative

Ketones, Urine mg/dL             Negative 

Specific Gravity                       1.001-1.030

pH, Urine                                   5.0-7.5

Protein, Urine mg/dL                Negative

Urobilinogen, Urine mg.dL        < 2.0

Nitrite, Urine                               Negative

Blood, Urine                               Negative

Leukocyte Esterase                   Negative

Reducing Substances mg/dL    Negative

WBC  /hpf                                         < 6

RBC /hpf

    Female                     <  6

    Male                          < 3

WBC  clumps  /hpf                     None seen

RBC clumps  /hpf                       None seen

Budding yeast  /hpf                    None seen

Hyphae yeast   /hpf                     None seen

Squamous epith cells /lpf

Transitional epith cells /hpf        None seen

Renal epith cells /hpf                   None seen

Oval fat bodies  /hpf                     None seen

Fat   /hpf                                         None seen

Mucus  /lpf                                     None seen

Sperm  /hpf                                     None seen

Trichomonas  /hpf                          None seen

Hyaline cast  /lpf                             None seen

Epith cell casts  /lpf                        None seen

WBC casts  /lpf                                None seen

RBC casts /lpf                                   None seen

Granular casts  /lpf                           None seen

Broad casts /lpf                                 None seen

Fatty casts  /lpf                                  None seen

Waxy casts  /lpf                                 None seen

Triple phosphate crystals /hpf         None seen

Calcium oxalate crystals /hpf           None seen

Calcium phosphate crystals /hpf      None seen

Calcium carbonate crystals /hpf       None seen

Uric acid crystals /hpf                        None seen

Leucine crystals /lpf                           None seen

Cystine crystals /lpf                            None seen

Tyrosine crystals /lpf                          None seen

Amorphous crystals /hpf                   None seen

Other

CPT Codes

81001

Rejection Criteria

Specimens that have been at room temperature longer than 2 hours; boric acid tubes. Any urine contaminated with fecal material or meconium.