Latest

Understand ALK fusion testing in lung cancer, including what a positive or negative result means, tissue and ctDNA methods, limitations, and treatment relevance.

ALK Fusion Test for Lung Cancer: Gene Fusion, Positive Result, and Molecular Meaning

Understand BRAF V600E testing in lung cancer, including what a positive or negative result means, tissue and ctDNA methods, limitations, and treatment relevance.

BRAF V600E Test for Lung Cancer: Mutation Status, Positive Result, and Molecular Meaning

Learn how the carcinoembryonic antigen (CEA) test is used in lung cancer, what high levels can mean, common non-cancer causes, reference ranges, and why serial trends matter.

CEA Test for Lung Cancer: Tumor Marker Monitoring, High Levels, and Result Meaning

Learn how the cytokeratin 19 fragment 21-1 (CYFRA 21-1) test is used in lung cancer, what high levels can mean, common non-cancer causes, reference ranges, and why serial trends matter.

CYFRA 21-1 Test for Lung Cancer: Tumor Marker Levels and Disease Monitoring

Understand EGFR exon 20 insertion testing in lung cancer, including what a positive or negative result means, tissue and ctDNA methods, limitations, and treatment relevance.

EGFR Exon 20 Insertion Test: Lung Cancer Mutation Status and Molecular Meaning

Understand EGFR mutation testing in lung cancer, including what a positive or negative result means, tissue and ctDNA methods, limitations, and treatment relevance.

EGFR Mutation Test for Lung Cancer: Exon 19, L858R, T790M, Mutation Status, and...

Diagnostics

Home Diagnostics Page 60

Learn what a high AST/ALT ratio can mean, how to calculate it, why alcohol-related liver injury often raises the ratio, and which other liver tests change the interpretation.

AST/ALT Ratio Test: High Ratio, Liver Disease Patterns, Alcohol-Related Liver Injury,...

Learn how bilirubin, ALT, AST, ALP, GGT, direct bilirubin, and indirect bilirubin patterns help explain jaundice blood test results and next steps.

Bilirubin and Liver Enzymes: Interpreting Jaundice Blood Tests

Carbohydrate-deficient transferrin (CDT) is a blood marker of sustained heavy alcohol use. Learn what CDT measures, normal ranges, high results, liver risk, false positives, and follow-up testing mean.

Carbohydrate-Deficient Transferrin (CDT) Test: Alcohol Use Marker, Liver Risk, Normal Range,...

Learn what a cholinesterase blood test measures, why low cholinesterase can happen, and how results relate to liver function, pesticide exposure, and anesthesia risk.

Cholinesterase Blood Test: Low Cholinesterase, Liver Function, Pesticide Exposure, and Results

Learn what the cytokeratin-18 CK-18 blood test measures, why it is studied in fatty liver and NASH, what high results can mean, and how CK-18 compares with liver enzymes, fibrosis scores, and imaging.

Cytokeratin-18 (CK-18) Blood Test: Fatty Liver, NASH, Liver Cell Death, and...

Learn what a direct bilirubin blood test measures, normal range, high direct bilirubin causes, bile duct and liver patterns, symptoms, and next steps.

Direct Bilirubin Blood Test: High Direct Bilirubin, Normal Range, Liver and...

Learn how direct and indirect bilirubin patterns differ, what high direct or indirect bilirubin can mean, and which follow-up tests help clarify liver, bile duct, or blood-related causes.

Direct vs Indirect Bilirubin: What the Pattern Can Mean

Learn what the Enhanced Liver Fibrosis (ELF) test measures, how to interpret high ELF scores and common cutoffs, and what follow-up may be needed for liver fibrosis risk.

Enhanced Liver Fibrosis (ELF) Test: High ELF Score, Normal Range, Liver...

Compare FIB-4 and APRI liver fibrosis scores, including formulas, common cutoffs, strengths, limitations, misleading patterns, and follow-up steps after abnormal results.

FIB-4 and APRI: Comparing Liver Fibrosis Scores

Understand the FIB-4 Index test, including the formula, calculator inputs, common cutoffs, high and low score meaning, liver fibrosis risk, limitations, and next steps.

Fibrosis-4 (FIB-4) Index Test: Liver Fibrosis Score, Normal Range, Calculator, and...

FibroTest, also called FibroSure, estimates liver fibrosis with a 0.00–1.00 blood test score. Learn ranges, stages, false results, and follow-up steps.

FibroTest Blood Test: Liver Fibrosis Score, FibroSure, Normal Range, and Results

Learn what a GGT blood test measures, what high GGT can mean, how normal ranges vary, and how GGT relates to liver disease, bile ducts, alcohol use, fatty liver, medicines, and follow-up testing.

Gamma-Glutamyl Transferase (GGT) Test: High GGT, Normal Range, Liver Disease, Alcohol...

Understand how GGT and ALT patterns can point to fatty liver, alcohol-related liver stress, bile duct problems, medication effects, and when follow-up testing matters.

GGT and ALT: Interpreting Fatty Liver, Alcohol, and Liver Stress

Understand the globulin blood test normal range, what high or low globulin can mean, how it relates to total protein and A/G ratio, and which follow-up tests may clarify abnormal results.

Globulin Blood Test Normal Range: Reference Values and Meaning

Learn what a hepatic function panel measures, including ALT, AST, ALP, bilirubin, albumin, total protein, normal ranges, abnormal patterns, common causes, and when results need urgent care.

Hepatic Function Panel Test: Liver Enzymes, Bilirubin, Proteins, Normal Ranges, and...

High ALT usually means liver cell irritation or injury. Learn common causes, fatty liver patterns, warning signs, follow-up tests, and what ALT results can mean.

High Alanine Aminotransferase (ALT) Test: Causes, Liver Damage, Fatty Liver, and...

High albumin on a blood test usually points to dehydration or concentrated blood. Learn common causes, normal ranges, related lab patterns, and when follow-up or urgent care matters.

High Albumin Blood Test: Causes, Dehydration, and Meaning

Learn what a high albumin/globulin ratio means, including low globulin, dehydration, immune protein problems, protein loss, follow-up tests, and when to seek care.

High Albumin/Globulin (A/G) Ratio Test: Causes, Low Globulin, and Meaning

Understand high alkaline phosphatase (ALP) blood test results, including liver, bile duct, and bone causes, key lab patterns with GGT and bilirubin, follow-up tests, and when high ALP needs medical attention.

High Alkaline Phosphatase (ALP) Test: Causes, Liver, Bile Duct, Bone, and...

Learn what a high amylase blood test can mean, including pancreatitis, salivary gland disease, macroamylasemia, kidney issues, symptoms, follow-up tests, and when urgent care matters.

High Amylase Blood Test: Causes, Pancreatitis, Salivary Gland Disease, and Meaning

1...596061...93 Page 60 of 93