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Order Code LAB3152 Urinalysis, Dipstick and Microscopy with Reflex to Culture

Important Note

Effective July 1 2019:

Moderate or greater Epithelial cells will not reflex for culture due to probable collection contamination. Reflex urine culture will be cancelled by laboratory.  New order and recollection are required for culture.

Additional Codes

Test Name in EPIC

EPIC Test Code           

Mnemonic

RV Urinalysis with Reflex to Culture

LAB3152

UACX

PRIOR TO 8/1/21:  UAH

Useful For

Urinalysis measurements are used to aid in the diagnosis of metabolic disorders, kidney function anomalies, urinary tract infections, and liver function.

Specimen Requirements

  1. First morning clean-catch urine is optimal. Fresh, random specimen and catheter urine specimen also acceptable.
  2. Optimal volume is 12mL. Minimum volume is 1mL. Note: Urine culture orders and reflexes will require an additional 1mL of urine.
  3. Collect in sterile collection cup or UA Preservative Transport Tube (see Specimen Stability below)
  4. Avoid contamination of specimen with soap, feces, oil, or powder.
  5. Label collection container with patient full name, medical record number, date of birth. Include date and time of collection and source of specimen.

Specimen Stability

Specimen Type Temperature Stability        
Urine (No Preservative) Ambient 2 hours
Urine (No Preservative) Refrigerated 24 hours
Urine (UA Preservative Transport Tube) Ambient 72 hours

Rejection Criteria

Any specimen that does not adhere to specimen requirements listed above will be rejected.

Reference Values

Specific Gravity: 1.005-1.030

pH:  5.0-8.0

Glucose:  negative (reported as negative, trace, 1+, 2+, or 3+)

Bilirubin:  negative (reported as negative, 1+, 2+, or 3+)

Ketones:  negative (reported as negative, trace, 1+, 2+, or 3+)

Albumin:  negative

Urobilinogen:  normal (reported as normal, 1, 4, 8, or 12 mg/dL)

Nitrate:  negative (reported as positive or negative)

Blood:  negative (reported as negative, trace, 1+, 2+, 3+, or 4+)

Leukocytes:  negative (reported as negative, trace, 1+, or 2+)

 

Microscopic results:

WBC:  0-5/HPF

RBC:  0-2/HPF

Bacteria:  negative (reported as negative, occasional, moderate, many, or packed)

 

Criteria for Urine Culture:

Test                            Result                    
Nitrite Positive
Leukocytes 1+ or greater
WBC 5 - 20/HPF or greater
Bacteria/Yeast Occasional or greater

Day(s) Test Set Up

Monday through Sunday

Performing Laboratory

Ridgeview Medical Center Laboratory

Two Twelve Medical Center Laboratory

Ridgeview Sibley Medical Center Laboratory

Test Classification and CPT Coding

81001 - Urinalysis

87088 - Culture, urine (if appropriate)