Other congenital malformations of the digestive system (Q38-Q45) ICD-10-CM
The Q38–Q45 section covers other congenital malformations of the digestive system with 70 ICD-10-CM diagnosis codes, of which 61 are billable in fiscal year 2027. The section is organized into the 8 code ranges listed below.
Code Ranges in This Section 8 ranges · 70 codes
The info icon previews the code ranges inside each row and its instructional notations from the official Tabular List.
About the Q38–Q45 Code Range
These are differences in digestive structures present at birth. They affect structures from the mouth and throat through the intestines, as well as the liver, bile ducts, gallbladder and pancreas.
The categories follow the affected part. Q38 separates differences of the lips, tongue, mouth, salivary glands, palate and throat. Q39 groups esophageal differences, including atresia with or without a fistula and narrowing. Q40 addresses the stomach and other parts of the upper digestive tract.
Q41 separates small-intestine conditions by the affected part. Q42 distinguishes rectal and anal conditions by whether a fistula is present. Q43 groups other intestinal differences. Q44 separates gallbladder, bile duct and liver differences, while Q45 includes pancreatic and other digestive-system differences.
Questions About This Page
How many codes are in the Q38-Q45 range?
The Q38-Q45 range contains 70 ICD-10-CM diagnosis codes in FY 2027. 61 of them are billable, and the rest are category headers that organize the section.
What conditions does Q38-Q45 cover?
The range covers other congenital malformations of the digestive system. The code ranges listed above break it into groups of related conditions, and each one links to its own page with the full code list.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.