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

The ICD-10 code for secondary pulmonary hypertension is I27.2, with specific subcategories such as I27.21 for connective tissue disease-induced hypertension.

How do you code pulmonary hypertension due to left heart disease?

Use ICD-10 code I27.22 for pulmonary hypertension due to left heart disease, ensuring the underlying heart condition is also coded.

ICD-10 Coding for Secondary Pulmonary Hypertension(I27.21, I27.0, I27.2)

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Learn about ICD-10 coding for secondary pulmonary hypertension, including specific codes, documentation requirements, and common pitfalls.

Also known as:

Secondary Pulmonary Arterial HypertensionPulmonary Hypertension due to Left Heart DiseasePulmonary Hypertension due to Lung Disease

Related ICD-10 Code Ranges

Complete code families applicable to Secondary Pulmonary Hypertension

I00-I99Primary Range

Diseases of the circulatory system

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

Code	Description	When to Use	Key Documentation
I27.21	Secondary pulmonary arterial hypertension	Use when pulmonary hypertension is secondary to connective tissue disease or drug use.	Echocardiogram showing RVSP >40 mmHg Right heart catheterization confirming mPAP ≥25 mmHg
I27.22	Pulmonary hypertension due to left heart disease	Use when pulmonary hypertension is secondary to left heart disease.	Echocardiogram showing elevated pulmonary artery pressures Documentation of left heart disease

Primary ICD-10-CM Codes

Secondary pulmonary arterial hypertension

I27.21Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Primary pulmonary hypertensionI27.0

Pulmonary hypertension due to lung diseaseI27.23

Documentation & Coding Risks

Avoid these common issues when documenting Secondary Pulmonary Hypertension.

Failure to document the cause of pulmonary hypertension.

Impact

Clinical: May lead to inappropriate treatment plans., Regulatory: Non-compliance with coding standards., Financial: Potential for denied claims or reduced reimbursement.

Mitigation

Ensure thorough documentation of the patient's condition and its etiology., Regularly review coding guidelines and updates.

Using unspecified codes when specific codes are applicable

Impact

Reimbursement: May lead to lower reimbursement rates., Compliance: Non-compliance with coding guidelines., Data Quality: Reduces the accuracy of clinical data.

Mitigation

Always use the most specific code available based on documentation.

Documentation of underlying cause

Impact

Failure to document the underlying cause can lead to audit issues.

Mitigation

Ensure all documentation clearly links pulmonary hypertension to its cause.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with I27.21.

Primary Code

I27.21

Secondary pulmonary arterial hypertension

Quick Navigation

ICD-10 codes8

Coding risks3

FAQs2

ICD-10 Coding for Secondary Pulmonary Hypertension(I27.21, I27.0, I27.2)

Documentation & Coding Risks

Frequently Asked Questions

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

How do you code pulmonary hypertension due to left heart disease?

Related condition guides