What is the ICD-10 code for chronic hypertension?

The ICD-10 code for chronic hypertension is I10, used for essential (primary) hypertension without associated heart or kidney disease.

How do you code hypertension with heart failure?

For hypertension with heart failure, use I11.0, ensuring documentation links heart failure to hypertension.

ICD-10 Coding for Chronic Hypertension(I10, I11.0, I12.9)

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Explore detailed ICD-10 coding guidelines for chronic hypertension, including essential hypertension, hypertensive heart disease, and hypertensive kidney disease.

Also known as:

High Blood PressureEssential HypertensionPrimary Hypertension

Related ICD-10 Code Ranges

Complete code families applicable to Chronic 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
I10	Essential (primary) hypertension	Use when hypertension is documented without any associated heart or kidney disease.	Two separate blood pressure readings of ≥140/90 mmHg on different days
I11.0	Hypertensive heart disease with heart failure	Use when hypertension is documented with heart failure.	ECHO showing heart failure BNP >100 pg/mL
I12.9	Hypertensive chronic kidney disease with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease	Use when hypertension is documented with CKD stages 1-4.	eGFR <60 mL/min/1.73 m² for at least 3 months

Primary ICD-10-CM Codes

Essential (primary) hypertension

I10Billable

Hypertensive heart disease with heart failure

I11.0Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Elevated blood pressure reading, without diagnosis of hypertensionR03.0

Heart failure, unspecifiedI50.9

Chronic kidney disease, unspecifiedN18.9

Documentation & Coding Risks

Avoid these common issues when documenting Chronic Hypertension.

Failing to document the causal relationship between hypertension and heart failure

Impact

Clinical: Misrepresentation of patient's condition, Regulatory: Potential audit risk, Financial: Loss of reimbursement for related conditions

Mitigation

Ensure clear documentation of causal relationships, Use structured templates for documentation

Using I10 for patients with heart or kidney disease

Impact

Reimbursement: Potential underpayment due to lack of specificity, Compliance: Non-compliance with coding guidelines, Data Quality: Inaccurate health data representation

Mitigation

Use I11 or I12 codes when heart or kidney disease is present.

Hypertensive heart disease coding

Impact

Failure to document the link between hypertension and heart failure

Mitigation

Use structured documentation templates to ensure all necessary links are documented.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with I10.

Primary Code

I10

Essential (primary) hypertension

Quick Navigation

ICD-10 codes6

Coding risks3

FAQs2

ICD-10 Coding for Chronic Hypertension(I10, I11.0, I12.9)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for chronic hypertension?

How do you code hypertension with heart failure?

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