URINE MICROSCOPIC

Test Code

3040008025

Alias/See Also

1231100326

CPT Codes
81015

Includes

EPITHELIAL CELLS URINE
TRANSITIONAL EPI CELLS
RENAL TUBULAR EPI CELLS
AMMONIUM BIURATE CRYSTALS
BILIRUBIN CRYSTALS
CALCIUM CARBONATE CRYSTALS
CALCIUM OXALATE CRYSTALS
CALCIUM PHOSPHATE CRYSTALS
CYSTINE CRYSTALS
CHOLESTEROL CRYSTALS
DRUG SUBSTANCE CRYSTALS
LEUCINE CRYSTALS
TRIPLE PHOSPHATE CRYSTALS
TYROSINE CRYSTALS
URIC ACID CRYSTALS
EPITHELIAL CASTS
GRANULAR CASTS
HYALINE CAST UA
RBC CASTS
WBC CASTS

Preferred Specimen

Urine cup container

Minimum Volume

5.0 mL

Transport Temperature

Refrigerated

Specimen Stability

All urine specimens are kept for 3 days

Methodology
Sysmex Novus Sysmex UD10 Sysmex UDM - UN 3000 Sysmex UF5000

Reference Range

EPITHELIAL CELLS URINE
0-5/HPF
HYALINE CAST UA
0-5/LPF
BACTERIA UR
Negative
SPERM UA
Negative
TRICHOMONAS UA
Not Present
WBC CLUMPS
Not Present
CALCIUM PHOSPHATE CRYSTALS
Not Present
URIC ACID CRYSTALS
Not Present
CALCIUM OXALATE CRYSTALS
Not Present
YEAST
Not Present
TRANSITIONAL EPI CELLS
Not Present
RENAL TUBULAR EPI CELLS
Not Present
AMMONIUM BIURATE CRYSTALS
Not Present
CALCIUM CARBONATE CRYSTALS
Not Present
BILIRUBIN CRYSTALS
Not Present
CYSTINE CRYSTALS
Not Present
CHOLESTEROL CRYSTALS
Not Present
TYROSINE CRYSTALS
Not Present
DRUG SUBSTANCE CRYSTALS
Not Present
LEUCINE CRYSTALS
Not Present
EPITHELIAL CASTS
Not Present
GRANULAR CASTS
Not Present
RBC CASTS
Not Present
WBC CASTS
Not Present
TRIPLE PHOSPHATE CRYSTALS
Not Present

Performing Laboratory
LITTLE ROCK LABORATORY

Last Updated: August 26, 2026

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.