Specific code 2014 ICD-9-CM Diagnosis Code 746.1
Tricuspid atresia and stenosis, congenital
  • Billable Code
  • Short description: Cong tricusp atres/sten.
  • ICD-9-CM 746.1 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 746.1 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Atresia, tricuspid (heart valve condition)
  • Congenital atresia of tricuspid valve
  • Congenital stenosis of tricuspid valve
  • Stenosis (narrowing) of tricuspid valve, congenital
  • Tricuspid atresia, congenital
  • Tricuspid valve stenosis, congenital
Applies To
  • Absence of tricuspid valve
Convert to ICD-10-CM: 746.1 converts approximately to:
  • 2014 ICD-10-CM Q22.9 Congenital malformation of tricuspid valve, unspecified
ICD-9-CM Volume 2 Index entries containing back-references to 746.1:
  • Absence (organ or part) (complete or partial)
    • tricuspid valve 746.1
  • Anomaly, anomalous (congenital) (unspecified type) 759.9
    • tricuspid (leaflet) (valve) 746.9
      • atresia 746.1
      • Ebstein's 746.2
      • specified type NEC 746.89
      • stenosis 746.1
  • Atresia, atretic (congenital) 759.89
    • tricuspid valve 746.1
  • Deformity 738.9
    • tricuspid (leaflets) (valve) (congenital) 746.9
      • acquired - see Endocarditis, tricuspid
      • atresia or stenosis 746.1
      • specified type NEC 746.89
  • Stenosis (cicatricial) - see also Stricture
    • heart valve (acquired) - see also Endocarditis
    • tricuspid (valve) (see also Endocarditis, tricuspid) 397.0
      • congenital 746.1
      • nonrheumatic 424.2
  • Stricture (see also Stenosis) 799.89
    • heart - see also Disease, heart
    • tricuspid (valve) (see also Endocarditis, tricuspid) 397.0
      • congenital 746.1
      • nonrheumatic 424.2
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 746.1 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.