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Q79.1

Other congenital malformations of diaphragm

Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 1 never code together
Q79code
Excludes2
  • congenital (sternomastoid) torticollis (Q68.0)Q68.0

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 3
Q79.1code
Inclusion terms
  • Absence of diaphragm
  • Congenital malformation of diaphragm NOS
  • Eventration of diaphragm
Index entries leading here 12
  • Abnormal, abnormality, abnormalities — see also Anomaly
    • apertures, congenital, diaphragm Q79.1
  • Absence (of) (organ or part) (complete or partial)
    • diaphragm (with hernia) , congenital Q79.1
  • Agenesis
    • diaphragm (with hernia) Q79.1
  • Anomaly, anomalous (congenital) (unspecified type) Q89.9
    • diaphragm (apertures) NEC Q79.1
  • Enlargement, enlarged — see also Hypertrophy
    • apertures of diaphragm (congenital) Q79.1
  • Defect, defective Q89.9
    • diaphragm
  • Deformity Q89.9
    • diaphragm (congenital) Q79.1
  • Malformation (congenital) — see also Anomaly
  • Eventration — see also Hernia, ventral
    • diaphragm (congenital) Q79.1
  • High
    • diaphragm (congenital) Q79.1
  • Elevated, elevation
    • diaphragm, congenital Q79.1
  • Hypertrophy, hypertrophic
    • esophageal hiatus (congenital) Q79.1
    • hiatus (esophageal) Q79.1
Alongside this code 8 same parent — Q79
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
Q79
Block
Q65-Q79
Siblings
8

Present FY2024–FY2027.