Glucose, Urine

CPT: 81003
Metabolic

What This Test Measures

Detects glucose in urine; positive result suggests hyperglycemia exceeding renal threshold.

Preparation

No fasting required
Fasting 8–12 hours required for most accurate results. Water is fine. Even small amounts of food, juice, or gum can affect results.

General guidelines only. Requirements vary by lab and individual. Confirm with your provider before adjusting any medications.

Turnaround Time

Varies by lab

Clinical Notes

Part of urinalysis; positive above ~180 mg/dL serum glucose

ICD-10 Codes

Common diagnosis codes associated with this test. Codes are assigned by your provider.

E10.9Type 1 diabetes mellitus without complications
E11.9Type 2 diabetes mellitus without complications
N18.9Chronic kidney disease, unspecified

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Lab Codes

Proprietary codes used by each lab for this test.

Quest Diagnostics
4719(order_code)

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For informational purposes only

This page is for educational and research purposes only and does not constitute medical advice, diagnosis, or treatment recommendations. ICD-10 and CPT codes are assigned by your healthcare provider. Always consult a qualified healthcare provider before ordering any lab test or making decisions about your health.