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Urinalysis
MessageA urine microscopic examination will be performed as reflex testing if color is abnormal; protein is >=10 mg/dL; positive blood, leukocyte esterase, or nitrite.
Test Code
URINALYSIS(BHS)
Alias/See Also
Urinalysis
Includes
A urinalysis includes: specific gravity, ph, glucose, bilirubin, ketones, blood, protein, urobilinogen, nitrite, leukocyte esterase, color, appearance.
A microscopic exam will be performed on urine specimens that yield >=10 mg/dL of protein, positive nitrite, positive leukocytes or positive blood.
Specimens that are grossly bloody, turbid, or viscous will not have chemistry portion of urinalysis reported. They will have color, clarity and microscopic examination performed.
A microscopic exam will be performed on urine specimens that yield >=10 mg/dL of protein, positive nitrite, positive leukocytes or positive blood.
Specimens that are grossly bloody, turbid, or viscous will not have chemistry portion of urinalysis reported. They will have color, clarity and microscopic examination performed.
Preferred Specimen
Random urine
Minimum Volume
12 mL
Transport Temperature
Refrigerate
Specimen Stability
Room temperature: 1 hour
Refrigerated (2-8°C): 48 hours
Urines that are allowed to sit at room temperature may undergo pH change and in turn interfere with protein determination.
Refrigerated (2-8°C): 48 hours
Urines that are allowed to sit at room temperature may undergo pH change and in turn interfere with protein determination.
Methodology
Contact the Hematology Supervisor for method information or chemical principles of each test performed.
Setup Schedule
Daily
Report Available
TAT 1 day
Reference Range
| Test | Reference low | Reference high | Units |
| Urinalysis panel | |||
| COLOR | YELLOW | ||
| APPEARANCE | CLEAR | ||
| GLUCOSE | Negative, 50 | mg/dL | |
| BILIRUBIN | Negative | mg/dL | |
| KETONES | Negative, Trace | mg/dL | |
| SPECIFIC GRAVITY | 1.005 | 1.030 | |
| BLOOD | Negative, Trace | ||
| pH | 5.0 | 8.0 | |
| PROTEIN | Negative, Trace | ||
| UROBILINOGEN | Normal | mg/dL | |
| NITRITE | Negative | ||
| LEUKOCYTE ESTERASE | Negative, 25 | mg/dL | |
| Microscopic panel | |||
| WBC | 0 | 5 | /HPF |
| WBC CLUMPS | None | /HPF | |
| RBC | 0 | 2 | /HPF |
| RBC CLUMPS | None | /HPF | |
| SQUAMOUS EPITHELIAL | See comment* | /HPF | |
| RENAL EPITHELIAL | 0 | 1 | /HPF |
| TRANS EPITHELIAL | 0 | 1 | /HPF |
| WBC CASTS | None | /LPF | |
| RBC CASTS | None | /LPF | |
| HYALINE CASTS | None | /LPF | |
| GRAN CASTS | None | /LPF | |
| CELLULAR CASTS | None | /LPF | |
| EPITHELIAL CASTS | None | /LPF | |
| WAXY CASTS | None | /LPF | |
| BROAD CASTS | None | /LPF | |
| FATTY CASTS | None | /LPF | |
| BACTERIA | None | /HPF | |
| AMORPHOUS SUBSTANCES | See comment* | /HPF | |
| TRIPLE PHOSPHATE CRYSTALS | See comment* | /HPF | |
| CALCIUM OXALATE CRYSTALS | See comment* | /HPF | |
| CALCIUM PHOSPHATE CRYSTALS | See comment* | /HPF | |
| CALCIUM CARBONATE CRYSTALS | See comment* | /HPF | |
| URIC ACID CRYSTALS | None | /HPF | |
| LEUCINE CRYSTALS | None | /HPF | |
| CYSTINE CRYSTALS | None | /HPF | |
| TYROSINE CRYSTALS | None | /HPF | |
| CHOLESTEROL CRYSTALS | None | /HPF | |
| MUCUS | See comment* | /LPF | |
| YEAST (BUDDING) | None | /HPF | |
| YEAST (HYPHAE) | None | /HPF | |
| OVAL FAT BODIES | See comment* | /HPF | |
| SPERM | See comment* | ||
| TRICHOMONAS | None | /HPF |
*These elements may be found in normal urines; presence does not indicate abnormality. Please interpret in light of patient history.
Clinical Significance
Dipstick urinalysis measures chemical constituents of urine. Microscopic examination helps to detect the presence of cells, bacteria, yeast and other formed elements.
Performing Laboratory
Test performed in BACL Urinalysis Labs
Contact West Roxbury: Nolan Raymond 857-203-5980
Alternate contact Joseph A. Manzone JP 857-364-5092
Alternate contact Diane Robert Brockton 774-826-2294
Alternate contact Bhumikaben Patel Bedford 781-687-2976
Last Updated: January 23, 2026
