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Home/Diagnosis/ICD-10 Coding for Pulmonary Hypertension

ICD-10 Coding for Pulmonary Hypertension

I27.0
I27.21

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

Also Known as:
Pulmonary Arterial Hypertension
PH
PAH
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Key Information: ICD-10 Coding for Pulmonary Hypertension

Essential facts and insights about ICD-10 Coding for Pulmonary Hypertension

Use ICD-10 code I27.0 for primary pulmonary hypertension, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Primary pulmonary hypertension

Billable Code
I27.0
Billable

Diagnostic Criteria

  • • Confirmed idiopathic or heritable PAH with no secondary cause.

Applicable To

  • • Idiopathic pulmonary arterial hypertension
  • • Heritable pulmonary arterial hypertension

Important Notes

  • • Ensure documentation specifies 'primary' or 'idiopathic'.

Secondary pulmonary arterial hypertension

Billable Code
I27.21
Billable

Diagnostic Criteria

  • • Echocardiogram or right heart catheterization confirming secondary cause

Applicable To

  • • Pulmonary hypertension due to left heart disease

Important Notes

  • • Link PH to the underlying heart disease explicitly.
Frequently Asked Questions

What is the ICD-10 code for primary pulmonary hypertension?

The ICD-10 code for primary pulmonary hypertension is I27.0, used when no identifiable cause is present.

How do you code secondary pulmonary hypertension?

Secondary pulmonary hypertension is coded with I27.2, specifying the underlying cause such as left heart disease or lung disease.

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