Low Globulin Blood Test: Causes, Immune Deficiency, Protein Loss, and Meaning
A low globulin blood test means the globulin portion of your blood proteins is below the lab’s reference range. Globulins include many proteins, but...
Low Total Protein Blood Test: Causes, Malnutrition, Liver Disease, Kidney Loss, and Meaning
A low total protein blood test means the combined amount of albumin and globulin proteins in the blood is below the lab’s reference range....
Low Trypsinogen Blood Test: Causes, Pancreas Function, and Meaning
A low trypsinogen blood test can point toward reduced enzyme production by the pancreas, especially when it appears with symptoms of poor digestion or...
NASH FibroSure Test: Fatty Liver, NASH, Steatosis, Fibrosis Score, and Results
The NASH FibroSure test is a blood-based scoring panel used to estimate fatty liver severity, possible steatohepatitis, and liver fibrosis risk without immediately doing...
Pancreatic Amylase Test: High Pancreatic Amylase, Normal Range, Pancreatitis, and Pancreas Health
A pancreatic amylase test measures the amylase enzyme that comes mainly from the pancreas, rather than total amylase from both the pancreas and salivary...
Phosphatidylethanol (PEth) Blood Test: Alcohol Biomarker, PEth Levels, Detection Window, and Results
Phosphatidylethanol, usually called PEth, is a blood marker that shows recent alcohol exposure over days to weeks rather than the few hours captured by...
Procollagen III N-Terminal Peptide (PIIINP) Test: High PIIINP, Liver Fibrosis, Normal Range, and Results
Procollagen III N-terminal peptide, often shortened to PIIINP or P3NP, is a blood marker linked to type III collagen formation. Because type III collagen...
Serum Bile Acids Test: High Bile Acids, Normal Range, Cholestasis, Liver Function, and Results
A serum bile acids test measures the amount of bile acids circulating in the blood. Bile acids are made in the liver, stored in...
Tissue Inhibitor of Metalloproteinase-1 (TIMP-1) Test: Liver Fibrosis Marker, High Levels, and Results
Tissue inhibitor lod marker linked to tissue repair, inflammation, and scar formation. In liver testing, it is mainly discussed as a fibrosis marker because...
Total Bilirubin Blood Test: High Bilirubin, Normal Range, Jaundice, and Causes
A total bilirubin blood test measures the amount of bilirubin in your blood, including both direct and indirect forms. Bilirubin is a yellow pigment...
Total Protein Blood Test Normal Range: Reference Values and Meaning
A total protein blood test measures the combined amount of albumin and globulin proteins in the liquid part of your blood. It is often...
Trypsinogen Blood Test Normal Range: Reference Values and Meaning
Trypsinogen is an inactive enzyme precursor made by the pancreas. A trypsinogen blood test measures how much of this pancreatic protein is circulating in...
Advanced Lipid Panel Test: ApoB, Lp(a), LDL-P, Particle Size, and Heart Disease Risk
An advanced lipid panel looks beyond standard cholesterol numbers to show more about the lipoprotein particles that carry cholesterol through the blood. A routine...
ApoB and LDL Cholesterol: Interpreting Heart Risk Without Overdoing It
LDL cholesterol and ApoB both describe artery-related cholesterol risk, but they do it from different angles. LDL cholesterol estimates how much cholesterol is carried...
ApoB vs LDL Cholesterol: Which Heart Risk Marker Matters More?
ApoB and LDL cholesterol both describe artery-clogging lipoproteins, but they do not measure the same thing. LDL cholesterol measures how much cholesterol is being...
ApoB/ApoA1 Ratio Test: Normal Range, High Ratio, Cardiovascular Risk, and Results
The ApoB/ApoA1 ratio test compares two major blood proteins involved in cholesterol transport. ApoB is found on particles that can enter artery walls and...
Apolipoprotein A1 (ApoA1) Test: Low ApoA1, Normal Range, HDL Function, and Heart Risk
Apolipoprotein A1, often written as ApoA1 or Apo A-I, is the main protein carried on HDL particles. HDL cholesterol is often called “good cholesterol,”...
Apolipoprotein B (ApoB) Test: High ApoB, Normal Range, LDL Particle Risk, and Heart Disease
Apolipoprotein B, often called ApoB or apoB, is a blood test that estimates how many atherogenic lipoprotein particles are circulating in your bloodstream. These...
Apolipoprotein E (ApoE) Genotype Test: Cholesterol Risk, Alzheimer’s Risk, Genetics, and Results
The apolipoprotein E genotype test looks at inherited APOE gene variants that influence how the body handles cholesterol-rich particles and how the brain responds...
Ceramide Blood Test: High Ceramide Levels, Normal Range, Cardiovascular Risk, and Results
A ceramide blood test measures specific fat-like molecules in plasma that are linked with artery plaque activity, inflammation, insulin resistance, and future cardiovascular events....