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Q40.2

Other specified congenital malformations of stomach

Billable FY2026 2025-10-01 → 2026-09-30
Instructional notes 6
Q40.2code
Inclusion terms
  • Congenital displacement of stomach
  • Congenital diverticulum of stomach
  • Congenital hourglass stomach
  • Congenital duplication of stomach
  • Megalogastria
  • Microgastria
Index entries leading here 17
  • Absence (of) (organ or part) (complete or partial)
    • stomach (acquired) (partial) Z90.3
  • Agenesis
  • Anomaly, anomalous (congenital) (unspecified type) Q89.9
  • Megalogastria (acquired) K31.89
  • Contraction (s) , contracture, contracted
  • Malposition
  • Obstruction, obstructed, obstructive
  • Diverticulum, diverticula (multiple) K57.90
  • Fistula (cutaneous) L98.8
  • Hourglass (contracture) — see also Contraction, hourglass
  • Stricture — see also Stenosis
  • Displacement, displaced
    • stomach, congenital Q40.2
    • gastric mucosa (congenital) Q40.2
  • Duplication, duplex — see also Accessory
  • Ectopic, ectopia (congenital)
  • Malformation (congenital) — see also Anomaly
  • Microgastria (congenital) Q40.2
  • Transposition (congenital) — see also Malposition, congenital
Alongside this code 5 same parent — Q40
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.

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This code

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

Present FY2024–FY2027.