Low ALP and Zinc: Interpreting Low Alkaline Phosphatase Patterns
Alkaline phosphatase, often shortened to ALP, is usually discussed when it is high. A low ALP result can be easier to overlook, but it...
Low Amylase Blood Test: Causes, Pancreas Function, and Meaning
A low amylase blood test means the amount of amylase enzyme in your blood is below your lab’s reference range. Amylase helps digest starches,...
Low Aspartate Aminotransferase (AST) Test: Causes, Vitamin B6, Liver Health, and Meaning
Low aspartate aminotransferase, or low AST, is usually less concerning than high AST. AST is an enzyme found in the liver, muscles, heart, kidneys,...
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,”...