Potassium, Random Urine without Creatinine

Quest Diagnostics

Sample type: Urine

Requires fasting: No

Sample collection required at Quest Diagnostics location

Details

This test measures the amount of potassium in urine to help diagnose conditions like primary aldosteronism, dehydration, salicylate toxicity, or malabsorption. It's useful for understanding how the body is managing potassium levels, which is crucial for heart and muscle function.

Biomarker summary

Potassium, Random Urine

Additional details

Estimated days for results: Results should be available in 2 - 5 business days after the sample is collected

Details

Potassium, Random Urine without Creatinine - This test measures the amount of potassium in urine to help diagnose conditions like primary aldosteronism, dehydration, salicylate toxicity, or malabsorption. It's useful for understanding how the body is managing potassium levels, which is crucial for heart and muscle function.

What patients is this test right for?

This test may be recommended for individuals showing symptoms related to abnormal potassium levels or those with conditions affecting potassium absorption or excretion.

Increased Potassium Symptoms:

High blood pressure
Muscle weakness or cramps
Excessive thirst or urination

Decreased Potassium Symptoms:

Constipation
Fatigue
Muscle weakness or cramps
Irregular heart rhythms

What type of sample is required for this test?

10 mL of random urine collected in a no-preservative plastic urine container.

Average sample processing time

2–5 business days

Reference range

12-129 mmol/L

Health categories

Patient instructions

Collection Options with Fullscript
Sample collection requires a test kit that can be picked up at a nearby Quest Diagnostics Patient Service Center.

Quest Diagnostics Patient Service Centers (PSC)

Location: Visit a nearby Quest Diagnostics Patient Service Center.
Cost: $10 sample collection fee (paid during lab order checkout).
Scheduling: Schedule your appointment here. Appointments are recommended to reduce wait times. Walk-ins are accepted, but may experience delays. Aim to arrive 10 minutes before your appointment.
Collection Instructions:

Bring a valid ID.
Bring your digital or printed requisition form, available in the Labs tab of your Fullscript account.

Check-in: Scan the QR code from your confirmation email or follow kiosk instructions.
More Info: Quest Diagnostics collection guide

In-office phlebotomy instructions

Specimen

Preferred Specimen(s): 10 mL random urine collected in a no preservative plastic urine container
Alternative: NA
Minimum Volume: 2 mL
Collection Instructions: NA

Storage and shipping instructions