American Journal of Gastroenterology

Aims & Scope

AJG is published on behalf of the American College of Gastroenterology (ACG).

As the leading clinical journal covering gastroenterology and hepatology, The American Journal of Gastroenterology (AJG) provides practical and professional support for clinicians dealing with the gastroenterological disorders seen most often in patients.

Topics include: -Colon and Small Bowel- Endoscopy- Esophagus- Functional GI Disorders- Inflammatory Bowel Disease- Liver- Pancreas and Biliary Tract- Pathology- Pediatrics- Nutrition/Obesity- Stomach.

AJG devotes itself to publishing timely medical research in gastroenterology and hepatology with: -Original Research Articles- Review Articles- Brief Communications- ACG Clinical Guidelines- Editorials- The Red Section- Video Articles- Image Articles- Correspondence- Continuing Medical Education- Supplementary Issues

View Aims & Scope

---

Metrics & Ranking

Impact Factor

Year	Value
2025	7.6
2024	8.00

Journal Rank

Year	Value
2024	1068

Journal Citation Indicator

Year	Value
2024	5489

SJR (SCImago Journal Rank)

Year	Value
2024	2.344

Quartile

Year	Value
2024	Q1

---

---

Abstracting & Indexing

Journal is indexed in leading academic databases, ensuring global visibility and accessibility of our peer-reviewed research.

• Scopus
• Google Scholar
• Web of Science
• Medline
• Embase

---

Subjects & Keywords

Journal’s research areas, covering key disciplines and specialized sub-topics in Medicine, designed to support cutting-edge academic discovery.

---

Most Cited Articles

The Most Cited Articles section features the journal's most impactful research, based on citation counts. These articles have been referenced frequently by other researchers, indicating their significant contribution to their respective fields.

• Nonalcoholic Steatohepatitis: A Proposal for Grading and Staging The Histological Lesions

  Citation: 3053

  Authors: Elizabeth M, Christine G, Adrian M, Brent A, Bruce R

• The Montreal Definition and Classification of Gastroesophageal Reflux Disease: A Global Evidence-Based Consensus

  Citation: 2918

  Authors: Nimish, Sander V., Peter, John, Roger

• American College of Gastroenterology Guideline: Management of Acute Pancreatitis

  Citation: 1668

  Authors: Scott, John, John, Santhi Swaroop

• Sampling error and intraobserver variation in liver biopsy in patients with chronic HCV infection

  Citation: 1637

  Authors: Arie, Mariana, Lennox J., Clara, Enrique G., Nikolaos T., Zheng-Zhou, K.Rajender, Eugene R.

• Selecting Therapeutic Targets in Inflammatory Bowel Disease (STRIDE): Determining Therapeutic Goals for Treat-to-Target

  Citation: 1553

  Authors: L, W, B E, W, W, R V, G, I, M, B, G, R, S, P L, E V, P, P, T B, I, R, R H, J, D T, M, C A, M S, J, S, S, G, S, J, G, S, B, S, S, J -F

• Practice Guidelines in Acute Pancreatitis

  Citation: 1358

  Authors: Peter A., Martin L.

• Guidelines for the Diagnosis and Management of Gastroesophageal Reflux Disease

  Citation: 1346

  Authors: Philip O, Lauren B, Marcelo F

• Guidelines for Diagnosis, Treatment, and Prevention of Clostridium difficile Infections

  Citation: 1338

  Authors: Christina M, Lawrence J, David G, Ashwin N, Scott R, Peter H, Lynne V, Mark, Brian S

• ACG Clinical Guidelines: Diagnosis and Management of Celiac Disease

  Citation: 1299

  Authors: Alberto, Ivor D, Ciarán P, Audrey H, Joseph A

• ACG Clinical Guideline: Genetic Testing and Management of Hereditary Gastrointestinal Cancer Syndromes

  Citation: 1297

  Authors: Sapna, Randall E, James M, Francis M, Heather L, Randall W

---