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Urinalysis with Reflex to Culture

Important Note

For UA Reflex orders initial chemical analysis is performed with reflex to microscopic analysis when appropriate. Culture orders are reflexed based on chemistry and microscopic results when indicated.

eD-H Order Code

LAB348

Specimen Collection Information

Specimen Minimum Test Volume Container Special Handling
Urine 10.0 ML  
Urine 1.0 ML Urine Hold
Neo/Pedi
Urine		 Neonatal/Pediatric
Minimum Volumes		  

Specimen Transport Temperature

Refrigerated

Reference Ranges / Critical Values

Assay Gender Age Range Normal Range Critical Values Units
U SG Automated All 0 Minutes – 150 Years 1.005 -1.030    
pH urine dipstick All 0 Minutes – 150 Years 5.0 -8.0    
Bilirubin urine dipstick All 0 Minutes – 150 Years Negative    
Blood urine dipstick All 0 Minutes – 150 Years Negative    
Glucose urine dipstick All 0 Minutes – 150 Years Negative    
Ketone urine dipstick All 0 Minutes – 150 Years Negative    
Leukocytes urine dipstick All 0 Minutes – 150 Years Negative    
Nitrite urine dipstick All 0 Minutes – 150 Years Negative    
Protein urine dipstick All 0 Minutes – 150 Years Negative    
Urine appearance urine dipstic All 0 Minutes – 150 Years Clear    
Urobilinogen urine dipstick All 0 Minutes – 150 Years Normal    

Specimen Stability

Urinalysis

BD Tiger Top Urinalysis tube: 72 hours

Sterile Cup Room Temperature: 1 hour

Sterile Cup Refrigerated: 4 hours

 

Culture

BD Grey Top Culture tube: 48 hours

Neonate/Pediatric- Sterile Container: 2 hours room temperature, 24 hours refrigerated

 

Interpretive Data

Assay Display Interpretive Data
Bilirubin urine dipstick Clinical correlation required for positive Urine Bilirubin results as false positive may occur with some drugs and drug related products. If a false positive is suspected a serum total bilirubin should be considered if clinically indicated.

Performing Lab Section

Hematology

Culture Reflex Criteria

July 2025 Clinical Lab Update- Criteria for Culture from Urinalysis