Congenital malformations of esophagus (Q39) ICD-10-CM
The Q39 code range covers congenital malformations of esophagus with 10 ICD-10-CM diagnosis codes. 9 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Codes in the Q39 Range 10 codes · 9 billable
- Q39 Congenital malformations of esophagusNon-billable
- Q39.0 Atresia of esophagus without fistula
- Q39.1 Atresia of esophagus with tracheo-esophageal fistula
- Q39.2 Congenital tracheo-esophageal fistula without atresia
- Q39.3 Congenital stenosis and stricture of esophagus
- Q39.4 Esophageal web
- Q39.5 Congenital dilatation of esophagus
- Q39.6 Congenital diverticulum of esophagus
- Q39.8 Other congenital malformations of esophagus
- Q39.9 Congenital malformation of esophagus, unspecified
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the Q39 range.
Tracheoesophageal Fistula
Abnormal passage between the ESOPHAGUS and the TRACHEA, acquired or congenital, often associated with ESOPHAGEAL ATRESIA.
About the Q39 Code Range
ICD-10 code Q39 covers congenital malformations of the esophagus, which are structural abnormalities present from birth affecting the esophagus. These codes specify different types of esophageal defects such as atresia, fistula, stenosis, webs, and dilatations.
The ICD-10 codes from Q39.0 to Q39.9 are used to identify specific congenital esophageal conditions. For example, Q39.0 refers to atresia of the esophagus without fistula, often called "long gap esophageal atresia." Q39.1 describes atresia with tracheoesophageal fistula, known by synonyms like "congenital esophageal fistula" or "tracheoesophageal fistula." Q39.2 captures congenital tracheoesophageal fistula without atresia, often termed “H-type fistula.” Other codes include Q39.3 for congenital esophageal stenosis or strictures, Q39.4 for esophageal web, and Q39.5 for congenital dilatation also known as achalasia of the esophagus. Less commonly, codes like Q39.6 for congenital diverticulum and Q39.8 for other rare malformations cover a range of congenital anomalies. Q39.9 is used when the malformation is unspecified. These codes help medical coders and clinicians accurately report and classify congenital esophageal defects for diagnosis and treatment planning.
Questions About This Page
How many billable codes are in the Q39 range?
Of the 10 codes in this range, 9 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the Q39 range classify?
The range classifies congenital malformations of esophagus. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
