All ICD10 Codes
HomeICD-10-CMGuidelinesICD-10-PCSDRG
allicd10codes.com

The most comprehensive and user-friendly ICD-10-CM diagnosis and ICD-10-PCS procedure code directory. Built for clinicians, billers, and health tech innovators.

Resources
ICD-10-CM (Diagnosis)ICD-10-PCS (Procedures)MS-DRG Mappings
Legal & Info
Privacy PolicyTerms of ServiceOfficial CMS.gov
DisclaimerData on this site is provided for informational purposes only. While we strive to maintain the highest level of accuracy (utilizing FY2026 data, effective April 1, 2026), these codes and descriptions should not be used as a final authority for medical billing or clinical decision-making.The official source for all ICD-10-CM/PCS data is the Centers for Medicare & Medicaid Services (CMS) at cms.gov. We are not responsible for any coding errors, rejected claims, or medical outcomes resulting from the use of this data.

© 2026 allicd10codes.com · FY2026 Integrated Data · v1.4.0

Results for "atrial septal"

Unified clinical database across Diagnosis (CM), Procedures (PCS), and Reimbursement (DRG) grouping standards.

All ResultsDiagnosis (CM)9Procedures (PCS)0Groupings (DRG)0

Procedures (ICD-10-PCS)

  • Production, atrial septal defect

Quick Stats

CM Codes
98,186
PCS Tables
917
MS-DRGs
452

Coding Tip

Billable CM codes require maximum specificity. PCS codes are always 7 characters.

Official Guidelines

Diagnosis (ICD-10-CM)

View all 9 matches
  • Abnormal, abnormality, abnormalities > atrial septal, specified NECQ21.19
  • Defect, defective > atrial septalQ21.10
  • Defect, defective > atrial septal > coronary sinusQ21.13
  • Defect, defective > atrial septal > following acute myocardial infarction (current complication)I23.1
  • Defect, defective > atrial septal > ostium primum type (type I)Q21.20
  • Defect, defective > atrial septal > ostium primum type (type I) > with > common atrioventricular valves and moderate or larger inlet VSDQ21.23
  • Defect, defective > atrial septal > ostium primum type (type I) > with > separate atrioventricular valvesQ21.21
  • Defect, defective > atrial septal > ostium primum type (type I) > with > separate atrioventricular valves > and small or restrictive inlet VSDQ21.22
  • Defect, defective > atrial septal > ostium secundum type (patent persistent) (type II)Q21.11
  • Defect, defective > atrial septal > sinus venosusQ21.16
  • Q21.1

    Atrial septal defect

  • Q21.10Billable

    Atrial septal defect, unspecified

  • Q21.11Billable

    Secundum atrial septal defect

  • Q21.13Billable

    Coronary sinus atrial septal defect

  • Q21.19Billable

    Other specified atrial septal defect

  • Q21.14Billable

    Superior sinus venosus atrial septal defect