1. Creatinine 2. Urea 3. Blood Urea Nitrogen (BUN) 4. BUN/Creatinine Ratio 5. Urea/Creatinine Ratio 6. Uric Acid Test for Joints Pain, Arthritis-Gout, Kidney Stone "" 7. Kidneys waste & toxins: Glomerular Filtration Rate (eGFR) Serum Electrolytes (3 Tests) 8. Sodium 9. Potassium 10. Chloride ### **INCLUDED TEST PARAMETERS & DETAILS (10 TESTS):** #### **1. Core Nitrogenous Waste Markers (3 Tests)** * **Serum Creatinine:** A steady byproduct of normal muscle breakdown that is filtered entirely by the kidneys. Because it stays constant daily, it serves as the single most reliable primary chemical marker for detecting kidney filtration drops. * **Urea:** A chemical waste compound formed in the liver when your body breaks down dietary proteins. It is continuously cleared through your urine. * **Blood Urea Nitrogen (BUN):** Measures the exact nitrogen portion of the urea circulating in your blood, providing a highly specific look at protein metabolism and kidney filtration capacity. #### **2. Calculated Diagnostic Ratios (2 Tests)** * **BUN / Creatinine Ratio:** A calculated index utilized by pathologists to differentiate whether a spike in kidney waste is due to structural kidney damage or temporary external issues like severe dehydration or recent heavy dietary protein intake. * **Urea / Creatinine Ratio:** Evaluates the relationship between these two primary waste lines to isolate pre-renal, renal, or post-renal health trends. #### **3. Advanced Filtration & Crystal Markers (2 Tests)** * **Estimated Glomerular Filtration Rate (eGFR):** Mathematically calculated using your serum creatinine, age, and gender. The eGFR represents the absolute flow rate of blood passing through your kidneys' filters each minute, serving as the international gold standard for identifying and staging chronic kidney disease (CKD). * **Uric Acid:** A waste product created when your body breaks down compounds called purines (found heavily in red meats, seafood, and alcohol). If the kidneys fail to clear it, uric acid builds up and forms sharp crystals, triggering intense joint inflammation (**Gout/Arthritis**) or clumping into painful **Kidney Stones**. #### **4. Serum Electrolytes Panel (3 Tests)** * **Sodium (Na^+):** The primary mineral in the fluid outside your cells. It controls blood pressure, total body water volume, and nerve-muscle communication pathways. * **Potassium (K^+):** Located mostly inside your cells, this ion is exceptionally critical for cardiac health, directly governing the electrical impulses that keep your heart rhythm steady. * **Chloride (Cl^-):** Works closely with sodium to balance body fluids and maintain your internal acid-base (pH) equilibrium.

CLINICAL BIOCHEMISTRY

Jaffe Kinetic, Urease, Uricase, ISE, Calculations. The serum sample is processed using a high-throughput fully automated chemistry analyzer driving targeted kinetic, colorimetric, and potentiometric pathways: Creatinine (Jaffe Kinetic): Measured via the classic alkaline picrate rate method. The velocity of the color formation is clocked spectrophotometrically to determine precise creatinine values, completely separating it from slower-reacting non-creatinine components. Urea & BUN (Urease): An enzymatic approach where the enzyme urease breaks down urea into ammonia. The resulting rate of chemical alteration is read photometrically. Uric Acid (Uricase): The enzyme uricase oxidizes uric acid into allantoin and hydrogen peroxide, yielding a highly accurate colorimetric reading. Electrolytes (Ion-Selective Electrode - ISE): Evaluated using potentiometric membranes that read the distinct electrical potential shifts created when sodium, potassium, or chloride ions contact specialized sensors. eGFR & Ratios (Calculations): Automatically computed by clinical software using international reference formulas.

SERUM

* **No Fasting Required:** You can eat and drink normally before your blood collection. * **Hydration Note:** Drink a normal, healthy amount of water before your test. Being severely dehydrated or drinking massive amounts of fluids right before your draw can alter fluid balances and temporarily skew waste and electrolyte readings. * **Avoid Heavy Meat Meals:** Refrain from consuming unusually large portions of red meat or cooked beef for 24 hours prior to the test, as excess protein intake can cause a temporary dietary spike in baseline creatinine and urea scores. * **Medication Precaution:** Inform the laboratory of any active prescriptions, particularly blood pressure medications (such as diuretics or "water pills"), heart drugs, or anti-inflammatory painkillers (NSAIDs), as these drugs can directly affect how your kidneys process waste and retain minerals. * **Sample Type:** Requires a standard venous blood sample (Serum).

**#1) Why does the Kidney Function Test report take only 6 hours?** Our diagnostic hub runs automated, high-speed spectrophotometric and ion tracks, allowing our senior pathology team to thoroughly analyze, double-check, and digitally sign off on your report within a quick 6-hour window. **#2) What exactly is eGFR, and why is it better than just looking at creatinine?** Serum creatinine levels change slightly based on a person's muscle mass. The eGFR acts as a calibrated safety calculation. It combines your creatinine score with your age and gender to show exactly how many milliliters of blood your kidneys are actively cleaning every minute, providing a accurate look at kidney health. **#3) Why does the prompt mention joint pain and arthritis next to Uric Acid?** When your kidneys do not clear uric acid quickly enough, it builds up in your blood and settles into your joints—especially the big toe, ankles, or knees. These sharp, needle-like crystals cause a highly painful form of inflammatory arthritis known as Gout. **#4) Can being dehydrated alter my KFT panel results?** Yes, significantly. If you haven't had enough water, your blood volume drops, causing waste products like BUN and Urea to concentrate and rise. This can make your kidneys look stressed when you simply need to hydrate. The BUN/Creatinine ratio helps pathologists identify this dehydration pattern. **#5) Why is a minor change in my potassium level considered serious?** The body maintains potassium within a very strict, narrow window. Potassium controls the electrical charges that contract muscles, most importantly your heart muscle. Even a slight rise (hyperkalemia) or drop (hypokalemia) can cause abnormal heart rhythms (arrhythmias), requiring prompt medical review. **#6) Do I need to be fasting to take this 10-test KFT panel?** No, a strict fast is not required. You can have your blood sample collected at any time of day. Just make sure to avoid heavy red meat meals and maintain regular hydration leading up to the draw. **#7) Can working out intensely the day before alter my creatinine score?** Yes. Strenuous weightlifting, heavy muscle building, or exhaustive workouts right before a test can cause an acute, harmless breakdown of muscle tissue, which can temporarily lift your blood creatinine baseline. **#8) What causes high urea and BUN if my kidneys are healthy?** Consuming an extremely high-protein diet (like heavy protein powders or meat-heavy meal plans) floods your liver with extra amino acids. Your liver breaks these down into excess urea, which elevates your blood scores even if your kidneys are working perfectly. **#9) Why are blood pressure drugs linked to electrolyte variations?** Many blood pressure medications are diuretics ("water pills") designed to help your body flush out extra fluid. While clearing that fluid, your kidneys frequently dump or hold onto sodium and potassium, making routine electrolyte tracking vital. **#10) What does "sample hemolysis" mean, and why does it affect potassium?** Red blood cells hold a massive concentration of potassium inside their cell walls. If those cells accidentally burst during collection or spin-down in the centrifuge, that hidden potassium floods into the serum sample. This creates a false, artificially high potassium reading, and the lab will request a fresh sample for your safety. **#11) Why is the automated Spectrophotometry method preferred?** This method uses targeted chemical reagents that react strictly with individual waste molecules, completely avoiding background interference from blood sugars or other vitamins, which ensures top-tier clinical accuracy. **#12) Can regular use of over-the-counter painkillers stress the kidneys?** Yes. Frequent, long-term use of common non-steroidal anti-inflammatory drugs (NSAIDs) like ibuprofen or naproxen can restrict normal blood flow to the kidneys, potentially leading to elevated waste scores over time. **#13) Is this test panel safe for children?** Yes, absolutely. Children experiencing persistent dehydration from stomach bugs or those with a history of urinary infections often take this test. We use specialized pediatric needles to make the collection fast, safe, and comfortable. **#14) How can I securely access and download my final digital records?** As soon as your full profile is verified and authorized by our pathology team, your secure digital PDF report can be downloaded instantly from **www.drpatholab.in** using your registered credentials. **#15) Are my personal kidney and metabolic test histories kept secure?** Absolutely. We enforce strict medical privacy guidelines and fully encrypted data tracks across our entire digital infrastructure to ensure your diagnostic profile remains completely private and secure.