Osmolality, Urine
Quest Diagnostics
Sample type: Urine
Requires fasting: No
Sample collection required at Quest Diagnostics location
Details
This test is used for assessing the concentrating ability of the kidney.
- Osmolality, Urine
Estimated days for results: Results should be available in 2 - 5 business days after the sample is collected
Details
Osmolality, Urine - This test is used for assessing the concentrating ability of the kidney.
2–5 business days
50-1200 mOsm/kg
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
Specimen
- Preferred Specimen(s): 2 mL random urine
- Alternative: NA
- Minimum Volume: 0.5 mL
- Collection Instructions: NA
Storage and shipping instructions
- Transport Container: Preservative-free urine collection container
- Transport Temperature: Room Temperature
- Specimen Stability:
- Room temperature: 4 days
- Refrigerated: 7 days
- Frozen: 30 days
- Reject Criteria:
- Preserved urine
State restrictions:
Patient can't order this test if they are located in Hawaii, Puerto Rico, New Jersey, New York, or Rhode Island
