B-Type Natriuretic Peptide (BNP) Test: Normal Levels & Purpose
A B-type natriuretic peptide (BNP) test measures the levels of BNP protein in your blood. High levels can be a sign of heart failure.
Troponin Test: What it Is and Normal Range - Cleveland Clinic
Under normal circumstances, it exists inside muscle cells and only freely circulates in your bloodstream in tiny amounts. However, damage to certain types of muscle cells can cause more troponin to …
Cardiac Enzymes (Biomarkers): Types & What They Do
Jun 3, 2024 · Elevated levels of cardiac enzymes (cardiac biomarkers) in your blood can be a sign of heart damage, stress or inflammation. Now is the time to ask questions about your cardiac enzymes …
D-Dimer Test: What It Is, What It Is Used For, Risks & Results
Nov 9, 2021 · There are several different methods for testing the level of D-dimer in your blood, so there’s no one universal “normal” range. Your lab results will provide information indicating if your D …
Estimated Glomerular Filtration Rate (eGFR): Test & Levels
May 28, 2025 · What do eGFR numbers mean? For adults, a normal eGFR is about 100. The lowest eGFR is 0, which means your kidneys aren’t working. A healthcare provider may diagnose chronic …
Creatine Kinase (CK): What It Is, Purpose & Procedure
Should I be concerned if I have higher-than-normal creatine kinase (CK) levels? If your creatine kinase (CK) test results reveal that you have high levels of CK, it doesn't necessarily mean that you have a …
Basic Metabolic Panel (BMP): What It Is, Procedure & Results
Many other factors can affect your results. Approximately 1 in 20 healthy people will have a result outside of the normal range. Your healthcare provider will let you know if you need further tests. …
Ionized Calcium: What It Is & Ranges - Cleveland Clinic
Jan 11, 2024 · Abnormal levels can point to certain health issues like kidney or parathyroid conditions. Healthcare providers can check your levels with an ionized calcium test.
Aldosterone: What It Is, Function & Levels - Cleveland Clinic
Sep 12, 2022 · Normal value ranges for aldosterone levels may vary slightly among different laboratories. Be sure to look at the range of normal values listed on your laboratory report or ask …
Hypoalbuminemia: Causes, Symptoms, Treatment & Outlook
Albumin blood test: A normal albumin level ranges from 3.5 to 5.5 grams per deciliter (g/dL) of blood. Levels below that range are indications of an underlying medical condition.