Creatinine (U) Test: A Comprehensive Guide to Kidney Function Assessment

CREATININE (U); Creatinine, Urine; Kidney Function Test; Renal Function Panel; Cr; Creat

## CREATININE (U) Test

**Introduction**

The CREATININE (U) test, also known as Creatinine, Urine; Cr; Creat, is a crucial lab assessment that provides insights into kidney health. By measuring urine creatinine levels, it evaluates kidney function and detects potential disorders.

**Test Overview**

The CREATININE (U) test measures urine creatinine concentration. Creatinine, a muscle waste product, is excreted by the kidneys. High levels may indicate decreased kidney function, while low levels suggest impaired kidney filtration.

**Conditions Detected**

The CREATININE (U) test aids in diagnosing and monitoring:

– Acute Kidney Injury
– Chronic Kidney Disease
– Glomerulonephritis
– Kidney Stones
– Urinary Tract Infections
– Muscle Disorders

**Preparation**

* Overnight fast may be necessary.
* Follow instructions from healthcare providers regarding fasting and precautions.

**Procedure**

* Non-invasive urine collection in a sterile container.
* Sample sent to laboratory for analysis.

**Timeframe**

* Urine collection takes minutes.
* Results typically available within one to two days.

**Additional Tests**

* Blood Urea Nitrogen (BUN) Test
* Creatinine Clearance Test
* Cystatin C Test

**Conclusion**

The CREATININE (U) test plays a significant role in assessing kidney health. By detecting abnormal creatinine levels, it aids in diagnosing and managing kidney disorders. Symptoms such as decreased urine output or swelling warrant consultation to determine the need for this test.