Q25.6 Stenosis of pulmonary artery

Billable ICD-10-CM code, FY2026. Acts as a Major Complication or Comorbidity (MCC) as a secondary diagnosis. Exempt from present-on-admission (POA) reporting.

Applicable to

• Supravalvular pulmonary stenosis

MS-DRG index

Defines the logic of DRG(s) 306-307 in MDC 05.

Approximate ICD-9-CM (GEMs)

• 747.39 Other anomalies of pulmonary artery and pulmonary circulation (approximate)

Code annotations containing back-references to Q25.6

Back-references to Q25.6

• Type 2 Excludes: Q27 Other congenital malformations of peripheral vascular system ("anomalies of pulmonary artery (Q25.5-Q25.7)")

Back-references to Q25

• Code Also: I27.21 Secondary pulmonary arterial hypertension ("congenital heart disease (Q20-Q28)")
• Type 2 Excludes: P29 Cardiovascular disorders originating in the perinatal period ("congenital malformations of the circulatory system (Q20-Q28)")
• Code Also: Z71.87 Encounter for pediatric-to-adult transition counseling ("congenital malformations of the circulatory system (Q20-Q28)")

Diagnosis Index entries for Q25.6

• Malformation (congenital) › pulmonary › artery › stenosis
• Stenosis, stenotic (cicatricial) › artery NEC › pulmonary (congenital)
• Stenosis, stenotic (cicatricial) › pulmonary (artery) (congenital)
• Stenosis, stenotic (cicatricial) › pulmonary (artery) (congenital) › supravalvular
• Stricture › artery › pulmonary (congenital)
• Stricture › pulmonary, pulmonic › artery (congenital)

Nearby codes

• 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 (this code)
• Q25.7 Other congenital malformations of pulmonary artery
• Q25.71 Coarctation of pulmonary artery
• Q25.72 Congenital pulmonary arteriovenous malformation
• Q25.79 Other congenital malformations of pulmonary artery
• Q25.8 Other congenital malformations of other great arteries