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Home/Diagnosis/ICD-10 Coding for Hypoplastic Left Heart Syndrome

ICD-10 Coding for Hypoplastic Left Heart Syndrome

Q23.4

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

Also Known as:
HLHS
Hypoplastic Left Heart
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Key Information: ICD-10 Coding for Hypoplastic Left Heart Syndrome

Essential facts and insights about ICD-10 Coding for Hypoplastic Left Heart Syndrome

Use ICD-10 code Q23.4 for hypoplastic left heart syndrome, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Hypoplastic left heart syndrome

Billable Code
Q23.4
Billable

Diagnostic Criteria

clinical:
  • • Presence of hypoplastic left ventricle and associated valve/aorta anomalies
documentation:
  • • Detailed echocardiographic findings

Applicable To

  • • Hypoplastic left ventricle
  • • Mitral valve atresia/stenosis
  • • Aortic valve atresia/stenosis
  • • Ascending aortic hypoplasia

Important Notes

  • • Ensure all anatomical components are documented to support the use of Q23.4.
Ancillary Codes

Additional codes that may be used with this diagnosis

I50.9

Heart failure, unspecified

Use when heart failure is present as a complication of HLHS.

Frequently Asked Questions

What is the ICD-10 code for hypoplastic left heart syndrome?

The ICD-10 code for hypoplastic left heart syndrome is Q23.4, used for confirmed cases with documented echocardiographic findings.

How is hypoplastic left heart syndrome documented?

Documentation should include detailed echocardiographic findings, anatomical descriptions, and any associated complications like heart failure.

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