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Published on: Jan 23, 2022
3 minute read
By: Second Medic Expert

Diagnostics: Kidney Function Test

Diagnostics: Kidney function Test

Blood and urine tests are done to check kidney function.

Blood tests that can help assess kidney function include creatinine level, blood urea nitrogen level, and estimated glomerular filtration rate (eGFR).

Urine tests that can help assess kidney function include urine protein test, urine specific gravity test, and urine creatinine test.

What tests are done to check kidney function?

The most common tests to check kidney function are a blood test called creatinine and a urine test called albumin.

Creatinine is a waste product that is released into the blood when the muscle is damaged. So if the kidneys are not working properly, creatinine levels will go up. Albumin is a protein that is found in the urine. If the kidneys are not working properly, more albumin will leak out of the kidneys and into the urine.

Other tests that may be done to check kidney function include:

-A blood test to measure creatinine clearance. This measures how well the kidneys are filtering creatinine from the blood.

-A urine test to measure protein levels. High protein levels

When a doctor checks kidney function, they will order a blood test to check creatinine levels and blood urea nitrogen levels. These tests give an indication of how well the kidneys are working. If the creatinine or BUN levels are high, it means that the kidneys are not working properly. The doctor may also order a urine test to look for albumin in the urine. Albumin is a protein that is normally filtered out by the kidneys. If there is albumin in the urine, it means that the kidneys are not working properly.

What is the most accurate test for kidney function?

The most accurate test for kidney function is a creatinine blood test. It measures the level of creatinine in your blood. Creatinine is a waste product that is released when muscle tissue is damaged. So the higher your creatinine level, the more damage your kidneys have sustained.

Other tests that can be used to measure kidney function include a BUN (blood urea nitrogen) test and urine analysis. However, both tests are less accurate than the creatinine blood test.

What is a normal kidney function level?

Normal kidney function is when the kidneys filter wastes and excess fluid from the blood to make urine. The normal range for creatinine, a waste product that is filtered out by the kidneys, is 0.5 to 1.1 mg/dL for women and 0.6 to 1.2 mg/dL for men. Urine output should be about 600 to 800 mL per day. If you have symptoms such as foamy urine, swelling in your legs, shortness of breath, or chest pain, see your doctor right away because they may be signs of a problem with your kidneys.

Normal kidney function is defined as a creatinine level below 1.5 mg/dL in men and below 1.4 mg/dL in women. Creatinine is a waste product that is eliminated from the body through the kidneys. When the kidneys are functioning properly, they filter creatinine and other waste products from the blood and excrete them in urine. A creatinine level that is higher than normal indicates that the kidneys are not filtering blood as efficiently as they should be. This can be a sign of many different diseases or conditions, including kidney disease, liver disease, heart failure, and diabetes.

What are the first signs of kidney disease?

The first signs of kidney disease are usually subtle and can be easily missed. Here are five common early signs of kidney disease:

1) Changes in urine output, such as a decrease in the amount of urine produced or an increase in the amount of time needed to produce a full bladder

2) Increased thirst and urination, caused by the body's efforts to get rid of excess fluid by increasing urine production

3) Foamy or bubbly urine, a sign that protein is spilling over into the urine from damaged kidneys

4) Swelling in feet, ankles, and legs, caused by buildup of fluid called edema

5) Feeling tired and sluggish all the time, possibly due to anemia

Can a blood test detect kidney problems?

Yes. A blood test can detect kidney problems by looking for biomarkers in the blood that indicate a problem with the kidneys.

Some common biomarkers that may be detected in a blood test include creatinine, urea nitrogen, and albumin. If any of these biomarkers are elevated, it may indicate that there is a problem with the kidneys.

Kidney problems can be detected through blood tests, although the specific tests used will vary depending on the nature of the kidney problem.

Some common blood tests used to detect kidney problems include:

-A creatinine level, which measures how well your kidneys are filtering waste products from your blood

-A BUN level, which measures how much urea (a breakdown product of protein) is in your blood

-An albumin level, which measures how much albumin (a type of protein) is in your urine

-A creatinine clearance test, which measures how much creatinine is cleared from your blood per minute

Read Blog

Sleep and Performance: The Silent Driver of Workplace Success

In India’s fast-paced digital work culture, sleep has quietly become one of the most overlooked pillars of productivity. While caffeine, deadlines, and long screen hours dominate the modern office routine, quality sleep remains the true driver of performance, creativity, and emotional balance.

According to NITI Aayog’s 2024 Health & Productivity Report, sleep deprivation affects nearly 68% of Indian professionals, leading to fatigue, anxiety, and reduced focus - a direct hit to workplace performance.

The Science of Sleep and Productivity

Sleep isn’t just rest - it’s restoration.
During sleep, the brain processes memory, repairs cells, balances hormones, and regulates emotional control.
Without enough of it, cognitive efficiency drops by up to 40%, as shown in a Statista 2024 workplace wellness survey.

Employees who get adequate sleep display:

Better problem-solving abilities
Faster reaction times
Improved emotional regulation
Higher motivation and engagement

In contrast, chronic sleep deprivation leads to irritability, errors, poor concentration, and slower learning.

Sleep and Mental Health at Work

Work stress and poor sleep form a vicious cycle.
Prolonged stress raises cortisol levels - which interferes with the body’s ability to fall and stay asleep. In turn, lack of sleep increases anxiety and depression risk.

A FICCI-EY 2024 study found that professionals sleeping less than 6 hours a night reported 25% lower job satisfaction and 31% higher burnout than those sleeping 7–8 hours.

Sleep directly impacts mental health, which in turn affects workplace collaboration, leadership, and creativity.

SecondMedic’s Approach to Sleep Wellness

SecondMedic offers digital solutions that integrate teleconsultations, AI-based sleep tracking, and stress management programs - empowering individuals to build better rest habits.

Key components include:

Sleep Consultations: Online sessions with wellness experts to identify causes of poor sleep (stress, diet, or screen habits).
AI Sleep Tracker: Monitors sleep patterns and provides actionable recommendations.
Mindfulness Sessions: Guided relaxation and breathing techniques to improve sleep quality.
Hormonal & Fatigue Tests: Diagnostic packages to rule out medical causes like thyroid imbalance or sleep apnea.

SecondMedic’s holistic model blends technology and medical expertise to restore the most vital aspect of health - restorative sleep.

Corporate Wellness and Productivity

Forward-thinking organizations are now investing in corporate sleep wellness programs as part of their employee health initiatives.
A Deloitte India 2024 report shows that sleep-related wellness initiatives can increase productivity by 25% and reduce absenteeism.

SecondMedic partners with companies to provide:

Sleep and stress assessments
Online wellness consultations
Customized fatigue and burnout prevention workshops

The result? Healthier employees, fewer sick days, and a happier, more focused workforce.

How to Improve Sleep and Performance

Here are actionable steps professionals can take:

Set a Sleep Routine: Go to bed and wake up at consistent times.
Avoid Screens Before Bed: Blue light disrupts melatonin production.
Limit Caffeine & Alcohol: Both affect sleep quality if consumed late.
Exercise Regularly: Light evening walks promote better sleep.
Use Sleep Tools: Track your rest cycles with digital apps like SecondMedic’s AI sleep tracker.

Consistency, not duration alone, determines sleep quality.

The Link Between Sleep and Leadership

Leaders who prioritize rest make clearer decisions and foster more empathetic workplaces.
A rested mind is a resilient mind - capable of innovation, strategic thinking, and conflict resolution.

In contrast, chronic fatigue impairs judgment and emotional control, two critical traits for leadership success.

India’s Shift Toward Sleep-Aware Work Culture

As the wellness movement grows, Indian organizations are embracing sleep as a strategic asset.
Tech firms, healthcare companies, and startups are partnering with wellness platforms like SecondMedic to integrate sleep-focused employee programs.

This cultural shift reflects a global realization - productivity is not about working longer but resting smarter.

Conclusion

Sleep is not a passive activity - it’s the foundation of high performance.
By prioritizing rest, India’s professionals can unlock sharper focus, better mental health, and sustainable productivity.

With SecondMedic’s sleep and wellness programs, individuals and organizations alike can harness the true potential of healthy sleep - the silent, powerful driver of success.

Book your sleep health consultation today at www.secondmedic.com

References

NITI Aayog – Health & Productivity Report 2024
FICCI-EY – Corporate Wellness in India 2024
Statista – Sleep & Workplace Efficiency Study India 2024
Deloitte India – Employee Wellness Trends 2024
ABDM – Ayushman Bharat Digital Mission (Sleep & Wellness) – https://abdm.gov.in

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