Q25.1 Coarctation of aorta

✓ Billable ICD-10-CM 2026
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The ICD-10-CM code for Coarctation of aorta is Q25.1 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
Q20-Q28: Congenital malformations of the circulatory system (Q20-Q28)
Category Q25
26 codes (22 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to Q25.1:

  • Coarctation › aorta (preductal) (postductal)
  • Stenosis, stenotic (cicatricial) › aorta (ascending) (supraventricular) (congenital)
  • Stricture › aorta (ascending) (congenital)
  • Malformation (congenital) › aorta › stenosis
  • Anomaly, anomalous (congenital) (unspecified type) › aorta (arch) NEC › coarctation (preductal) (postductal)
  • Malformation (congenital) › aorta › coarctation (preductal) (postductal)

Inclusion Terms

  • Coarctation of aorta (preductal) (postductal)
  • Stenosis of aorta

U.S. Hospital Utilization

  • An estimated 8,265 U.S. inpatient stays in 2023 included Q25.1 among the documented diagnoses.
  • 1,680 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

POA indicator for congenital conditions/anomalies and Q00-Q99 exception

Congenital conditions and anomalies Assign “Y” for congenital conditions and anomalies except for categories Q00- Q99, Congenital anomalies, which are on the exempt list. Congenital conditions are always considered present on admission.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section III

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Cite This Page

Reference Q25.1 with the canonical source and edition:

Q25.1 — Coarctation of aorta. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/Q25.1

Canonical URL: https://icd10codingpro.com/codes/Q25.1

Related Codes

Parent Code

Q25 Congenital malformations of great arteries

Related Codes in Q25

Q25 Congenital malformations of great arteries Q25.0 Patent ductus arteriosus Q25.2 Atresia of aorta Q25.21 Interruption of aortic arch Q25.29 Other atresia of aorta Q25.3 Supravalvular aortic stenosis Q25.4 Other congenital malformations of aorta Q25.40 Congenital malformation of aorta unspecified Q25.41 Absence and aplasia of aorta Q25.42 Hypoplasia of aorta Q25.43 Congenital aneurysm of aorta Q25.44 Congenital dilation of aorta Q25.45 Double aortic arch Q25.46 Tortuous aortic arch Q25.47 Right aortic arch Q25.48 Anomalous origin of subclavian artery Q25.49 Other congenital malformations of aorta Q25.5 Atresia of pulmonary artery Q25.6 Stenosis of pulmonary artery Q25.7 Other congenital malformations of pulmonary artery
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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