Blood Testing

Urea/creatinine ratio: normal range and what your result means

The Urea/Creatinine Ratio is a biomarker that helps assess kidney function by comparing the levels of urea and creatinine in the blood. It plays a key role in understanding how efficiently the kidneys are processing waste products, offering insights into overall metabolism and energy use. Tracking this ratio helps you monitor long-term health and performance by identifying trends that may require lifestyle adjustments. By understanding and maintaining a healthy Urea/Creatinine Ratio, you can support your body's natural detoxification process and optimise your wellbeing over time. Start testing today to gain control over your metabolic health and energy efficiency

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Reviewed by the Vively clinical team

Cost

Included in the Baseline Health Check (70+ markers), part of the $99 a month membership. Targeted baseline re-test after 3 months.

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Medicare rebate available. A GP reviews your request in a short telehealth consult.

How to get it

Order online, then one blood draw at any of 3,700+ partner collection centres. Results arrive in the Vively app within a few days, explained against optimal ranges.

Check the Urea/Creatinine Ratio alongside 70+ other markers in Vively's Baseline Health Check.

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What is Urea/Creatinine Ratio?

The Urea/Creatinine Ratio is the comparison of two substances in the blood: urea, a waste product of protein metabolism, and creatinine, a byproduct of muscle metabolism. This ratio helps assess how well the kidneys are working by measuring how efficiently they clear these waste products from the bloodstream.

Why does it matter for long-term health and wellbeing?

Monitoring your Urea/Creatinine Ratio offers valuable insights into your metabolic health and kidney function, which are essential for optimal energy, digestion, and detoxification. Maintaining a balanced ratio can help improve your overall vitality and performance over time.

What's an optimal level of Urea/Creatinine Ratio?

An optimal Urea/Creatinine Ratio typically falls within the range of 10:1 to 20:1. This range indicates that your kidneys are efficiently processing urea and creatinine. However, variations can occur depending on hydration levels, diet, and individual health conditions.

What influences Urea/Creatinine Ratio levels?

Factors like hydration status, protein intake, muscle mass, and kidney health can influence the Urea/Creatinine Ratio. High-protein diets and dehydration may result in higher ratios, while factors like lower muscle mass can lead to a lower ratio.

What does it mean if Urea/Creatinine Ratio is outside the optimal range?

If the Urea/Creatinine Ratio is too high or too low, it could suggest issues with kidney function, hydration, or dietary factors. Regular testing can help identify lifestyle adjustments to improve kidney health and metabolism, supporting long-term wellbeing.

How can I support healthy Urea/Creatinine Ratio levels?

Staying well-hydrated, maintaining a balanced diet with adequate protein, and managing your muscle mass through regular exercise can help optimise your Urea/Creatinine Ratio. Monitoring these factors through regular testing can provide you with the insights needed for making proactive lifestyle choices.

References:

Australian Government Department of Health. (2020). Nutrient Reference Values for Australia and New Zealand.
Laverty, A., et al. (2018). Insights into Kidney Function: Current Australian Health Guidelines.
Australian Heart Foundation. (2020). Kidney Health and Wellness: What You Need to Know.

Often tested with

Start hereBaseline Health CheckUrea/creatinine ratio is one of 70+ markers in this blood test. It's part of the $99 a month membership, and a practitioner explains your results.See what’s included In your BaselineUreaA waste product from protein breakdown, cleared by the kidneys In your BaselineAnion gapA check on the acid balance of your blood In your BaselineSodium/potassium ratioSodium to potassium, reflecting the fluid-balance hormone aldosterone

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Urea/Creatinine Ratio

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How does your urea/creatinine ratio compare with Vively members your age?

Among 5,998 Vively members tested in 2024 to 2026, women aged 40 to 49 had a median urea/creatinine ratio of 71 (middle half 60 to 85). Men the same age: 66. The lab range is 40 to 100. A member median is not a target.

Vively member data

Urea/creatinine ratio by age and sex

The line is the median member at each age. The shaded bands show where most members sit. The dashed red lines are the lab range.

See the numbers as a table

Group	Members	Median	Middle 50%	5th to 95th percentile	Lab range
Women 18 to 29	259	69	59 to 79	44 to 102	40 to 100
Women 30 to 39	973	71	60 to 82	47 to 101	40 to 100
Women 40 to 49	1,142	71	60 to 85	46 to 107	40 to 100
Women 50 to 59	856	77	65 to 90	49 to 112	40 to 100
Women 60 and over	489	80	68 to 93	54 to 118	40 to 100
Men 18 to 29	265	68	58 to 78	45 to 95	40 to 100
Men 30 to 39	644	65	56 to 76	45 to 96	40 to 100
Men 40 to 49	698	66	56 to 77	44 to 99	40 to 100
Men 50 to 59	409	69	58 to 80	46 to 101	40 to 100
Men 60 and over	263	71	60 to 85	48 to 113	40 to 100

Vively members’ first blood test, January 2024 to October 2026 (5,998 members). Each group has at least 50 members. How we got these numbers.

Vively member data

Where you sit among Vively members

Pick your sex and age, then type your result.

Vively members’ first blood test, January 2024 to October 2026 (5,998 members). Each group has at least 50 members. How we got these numbers.

Urea/creatinine ratio: normal range and what your result means

What is Urea/Creatinine Ratio?

Why does it matter for long-term health and wellbeing?

What's an optimal level of Urea/Creatinine Ratio?

What influences Urea/Creatinine Ratio levels?

What does it mean if Urea/Creatinine Ratio is outside the optimal range?

How can I support healthy Urea/Creatinine Ratio levels?

References:

Often tested with

How does your urea/creatinine ratio compare with Vively members your age?

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