Urinalysis, Complete With Microscopic Examination
Use
Detect abnormalities of urine; diagnose and manage renal diseases, urinary tract infection, urinary tract neoplasms, systemic diseases, and inflammatory or neoplastic diseases adjacent to the urinary tract
Special Instructions
Ensure specimen is handled correctly; a clean catch midstream specimen is desirable if contamination is likely. Specimen volume must be sufficient for all required tests.
Limitations
Insufficient volume may limit testing. Metabolites of Pyridium® can cause color interference. High vitamin C may result in underestimated glucosuria or false-negative nitrite results. Low osmolality, alkalinity, and lack of refrigeration decrease WBC survival.
Methodology
Other
Biomarkers
LOINC Codes
- 24356-8
- 5811-5
- 5803-2
- 5778-6
- 5767-9
- 5799-2
- 20454-5
- 25428-4
- 2514-8
- 5794-3
- 5770-3
- 20405-7
- 5802-4
- 12235-8
- 5821-4
- 13945-1
- 5787-7
- 26052-1
- 24124-0
- 58436-7
- 5783-6
- 5782-8
- 8247-9
- 5769-5
- 5822-2
- 5813-1
- 11279-7
Result Turnaround Time
1 day
Related Documents
For more information, please review the documents below
Specimen
Urine
Volume
3-9 mL
Minimum Volume
3 mL
Container
Vacutainer® red/yellow urine transport tube (preferred) or urine bottle/urine transport tube (non-preserved)
Collection Instructions
A voided specimen is usually suitable. If the specimen is likely to be contaminated, a clean catch midstream specimen is desirable.
Storage Instructions
Vacutainer® red/yellow urine transport tube: room temperature for up to 72 hours. Urine bottle/urine transport tube (non-preserved): room temperature up to 2 hours and refrigerated up to 48 hours.
Causes for Rejection
Quantity not sufficient for analysis; improper labeling; tubes with boric acid or tartaric acid; specimen received in Vacutainer® red/yellow urine transport tube more than 72 hours old; specimen received in urine cup stored at room temperature greater than 2 hours old; specimen received in urine cup refrigerated more than 48 hours old; frozen specimens; Vacutainer® red/yellow urine transport tube less than 3 mL or greater than 9 mL
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 72 hours (Vacutainer®), 2 hours (non-preserved) |
| Refrigerated | 48 hours (non-preserved) |