What is the interpretation of a urinalysis showing leukocytes negative, nitrite negative, urobilinogen 0.2 mg/dL, protein negative, pH 6.0, blood negative, specific gravity 1.010, ketones negative, bilirubin negative, and glucose negative?

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Normal Urinalysis Interpretation

This urinalysis is completely normal and shows no evidence of infection, kidney disease, metabolic disorder, or other urinary tract pathology. 1

What Each Parameter Means

Infection Markers (All Negative)

  • Leukocytes (negative): No white blood cells detected, effectively ruling out urinary tract infection with 82-91% negative predictive value 1
  • Nitrite (negative): No bacteria converting dietary nitrates to nitrites; when combined with negative leukocyte esterase, this achieves 90.5% negative predictive value for excluding UTI 1, 2
  • Blood (negative): No red blood cells present, ruling out hematuria from infection, stones, trauma, or malignancy 1

Metabolic & Kidney Function Markers (All Normal)

  • Protein (negative): No proteinuria; kidneys are filtering normally with no glomerular damage 1
  • Glucose (negative): Blood sugar control is adequate; no glycosuria suggesting uncontrolled diabetes 1
  • Ketones (negative): No ketoacidosis or starvation state 1
  • Bilirubin (negative): No liver dysfunction or biliary obstruction 1
  • Urobilinogen (0.2 mg/dL): Within normal range (reference -4 to 4); normal bile metabolism 1, 3

Physical Properties (All Normal)

  • pH (6.0): Within normal range (5.0-9.0); appropriate urinary acidification 1
  • Specific gravity (1.010): Within normal range (1.005-1.030); adequate hydration and normal kidney concentrating ability 1, 4

Clinical Significance

No further testing or treatment is needed. 1 This urinalysis demonstrates:

  • No urinary tract infection: The combination of negative leukocyte esterase and negative nitrite effectively excludes bacterial UTI in most populations 1, 2
  • Normal kidney function: Absence of protein, blood, and normal specific gravity indicate healthy glomerular filtration 1
  • No metabolic abnormalities: Negative glucose and ketones rule out diabetic complications or metabolic acidosis 1
  • Adequate hydration: Specific gravity of 1.010 reflects appropriate fluid balance 4

When to Retest

Urinalysis should only be repeated if you develop specific urinary symptoms such as: 1

  • Dysuria (painful urination)
  • Urinary frequency or urgency
  • Suprapubic pain
  • Fever >38.3°C (101°F)
  • Gross hematuria (visible blood in urine)
  • Flank pain or costovertebral angle tenderness

Do not order repeat urinalysis for non-specific symptoms such as cloudy urine, urine odor changes, fatigue, or confusion alone, as these do not indicate infection. 1

References

1
Guideline

Urinary Tract Infection Diagnosis and Evaluation

Praxis Medical Insights: Practical Summaries of Clinical Guidelines, 2026

2
Guideline

Urinary Tract Infection Diagnosis and Management

Praxis Medical Insights: Practical Summaries of Clinical Guidelines, 2026

4
Research

Introduction to urinalysis: historical perspectives and clinical application.

Methods in molecular biology (Clifton, N.J.), 2010

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Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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