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Q40.1

Congenital hiatus hernia

Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 1 never code together
Q40.1code
Excludes1

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Instructional notes 1
Q40.1code
Inclusion terms
  • Congenital displacement of cardia through esophageal hiatus
Index entries leading here 2
  • Displacement, displaced
    • cardia through esophageal hiatus (congenital) Q40.1
  • Hernia, hernial (acquired) (recurrent) K46.9
    • hiatal (esophageal) (sliding) K44.9
    • paraesophageal — see also Hernia, diaphragm
Alongside this code 5 same parent — Q40
Q40.0 Congenital hypertrophic pyloric stenosis Q40.2 Other specified congenital malformations of stomach Q40.3 Congenital malformation of stomach, unspecified Q40.8 Oth congenital malformations of upper alimentary tract Q40.9 Congenital malformation of upper alimentary tract, unsp
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
yes
Code set
FY2026
Parent
Q40
Block
Q38-Q45
Siblings
5

Present FY2024–FY2027.