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Citrate in Urine, Measured by Turbidimetry

Published: August 9, 2026Updated: August 16, 2026

This test measures the amount of citrate, a natural substance in your urine, which helps regulate how calcium and other minerals are balanced in your body.

Quick summary

["Citrate levels can offer clues about kidney function and mineral metabolism."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
111452-9
Short code
Citrate Msmt Ur
Synonyms
Citrate Msmt Ur
Category
chemistry
Sample
urine
Container
Sterile urine container
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
10 mL
Stability
Room temperature: 2h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

Why Is This Test Done?

Your healthcare provider may order this test if you have symptoms like kidney stones, high calcium levels, or conditions affecting how your body processes minerals. It can also help diagnose or monitor certain metabolic disorders.

What Does the Test Involve?

You’ll provide a urine sample, typically collected over a 24-hour period. The sample is then tested in a lab to measure citrate levels using a turbidimetric method, which detects changes in light passing through the sample.

What Are Common Results?

Results are not typically provided as a specific range since citrate levels can vary widely based on diet, hydration, and health status. Your provider will interpret the results in relation to your overall health and symptoms.

What Might Abnormal Results Mean?

High citrate levels might suggest conditions like hypercitraturia, which can sometimes be linked to kidney stones or metabolic issues. Low levels could indicate other underlying problems, but further evaluation by your doctor is needed.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

This test is primarily used to assess kidney function and mineral metabolism. Elevated citrate can sometimes be associated with conditions like primary hyperoxaluria or certain kidney disorders, while low levels may warrant further investigation into metabolic or kidney-related issues. Always discuss results with your healthcare provider.

Short name

Urine Citrate

Frequently asked questions

Why do I need to collect urine over 24 hours for this test?
Collecting urine over 24 hours gives a more accurate picture of your citrate levels throughout the day, as citrate production and excretion can vary. This method helps ensure the results reflect your overall mineral balance.
What should I do if I have kidney stones or symptoms of kidney issues?
If you have kidney stones or other symptoms, inform your healthcare provider before the test. They may advise adjustments to your diet or hydration to ensure accurate results and monitor your condition more effectively.
Can diet affect my urine citrate levels?
Yes, diet can influence citrate levels. Foods high in oxalates or certain minerals may affect citrate excretion. Your provider may recommend dietary adjustments or discuss how to prepare for the test properly.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy