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Home/Diagnosis/ICD-10 Coding for Congenital Heart Defect

ICD-10 Coding for Congenital Heart Defect

Q21.0
Q21.3

Complete ICD-10-CM coding and documentation guide for icd-10 coding for congenital heart defect includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
CHD
Congenital Heart Disease
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Key Information: ICD-10 Coding for Congenital Heart Defect

Essential facts and insights about ICD-10 Coding for Congenital Heart Defect

Use ICD-10 code Q21.0 for ventricular septal defect, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Ventricular septal defect

Billable Code
Q21.0
Billable

Diagnostic Criteria

  • • Echocardiogram confirms VSD

Applicable To

  • • Perimembranous VSD
  • • Muscular VSD

Important Notes

  • • Ensure defect type and size are documented.

Tetralogy of Fallot

Billable Code
Q21.3
Billable

Diagnostic Criteria

  • • Echocardiogram showing all four classic features

Applicable To

  • • Overriding aorta
  • • Pulmonary stenosis

Important Notes

  • • Document all four features for accurate coding.
Ancillary Codes

Additional codes that may be used with this diagnosis

I50.9

Heart failure, unspecified

Use if heart failure is present as a complication.

I27.0

Primary pulmonary hypertension

Use if pulmonary hypertension is present.

Frequently Asked Questions

What is the ICD-10 code for a ventricular septal defect?

The ICD-10 code for a ventricular septal defect is Q21.0, which requires documentation of defect size and shunt direction.

How do you code Tetralogy of Fallot?

Code Tetralogy of Fallot using Q21.3, ensuring all four features are documented: VSD, overriding aorta, pulmonary stenosis, and right ventricular hypertrophy.

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