Coding and coverage · ICD-10-CM

Q25 Congenital malformations of great arteries

Not billable (header)Chapter 17

Report one of the more specific codes below.

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Codes under this one

  • Q25.0 Patent ductus arteriosus
  • Q25.1 Coarctation of aorta
  • Q25.2 Atresia of aortaHeader
  • Q25.3 Supravalvular aortic stenosis
  • Q25.4 Other congenital malformations of aortaHeader
  • Q25.5 Atresia of pulmonary artery
  • Q25.6 Stenosis of pulmonary artery
  • Q25.7 Other congenital malformations of pulmonary arteryHeader
  • Q25.8 Other congenital malformations of other great arteries
  • Q25.9 Congenital malformation of great arteries, unspecified

Instructional notes

Chapter 17

Excludes2Not included here: the patient may have both; report both when both are present.
  • inborn errors of metabolism (E70-E88)
Notes
  • Codes from this chapter are not for use on maternal records

Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1) · Q20-Q28 Congenital malformations of the circulatory system (Q20-Q28)

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.