Hypertensive diseases
ICD-10 Codes (22)
I11I11.0I11.9I12I12.0I12.9I13I13.0I13.1I13.10I13.11I13.2I15I15.0I15.1I15.2I15.8I15.9I16I16.0I16.1I16.9Updates & Changes
FY 2026 Updates
New Codes (1)
Revised Codes (2)
Deleted Codes
No codes deleted in this range for FY 2026
Historical Changes
- •FY 2025: Enhanced hypertensive crisis coding with organ specificity
- •FY 2024: Updated secondary hypertension classifications
- •FY 2023: Added resistant hypertension coding guidelines
Upcoming Changes
- •Proposed ambulatory blood pressure monitoring codes
- •Under review: Home blood pressure monitoring integration codes
Implementation Guidance
- •Review all FY 2026 updates for I10-I16 codes before implementation
- •Always verify the most current codes in the ICD-10-CM manual
- •Ensure clinical documentation supports the selected diagnosis codes
- +3 more guidance items...
Range Overview
The ICD-10 code range I10-I16 is dedicated to hypertensive diseases. These codes cover primary (essential) hypertension, hypertensive heart disease, hypertensive chronic kidney disease, and hypertensive heart and chronic kidney disease. The codes also account for the severity of the condition and any associated complications. The use of these codes is critical for accurate diagnosis, treatment planning, and reimbursement processes.
Key Usage Points:
- •I10 codes are used for primary (essential) hypertension without organ damage.
- •I11 codes are used when hypertension has caused heart disease.
- •I12 codes are used when hypertension has led to kidney disease.
- •I13 codes are used when hypertension has caused both heart and kidney diseases.
- •I15 codes are used for secondary hypertension, which is caused by an underlying condition.
Coding Guidelines
When to Use:
- ✓When a patient is diagnosed with primary hypertension.
- ✓When hypertension has led to heart disease.
- ✓When hypertension has caused kidney disease.
- ✓When hypertension has resulted in both heart and kidney diseases.
- ✓When the patient has secondary hypertension.
When NOT to Use:
- ✗When the patient has prehypertension.
- ✗When the patient has white coat hypertension.
- ✗When the patient has gestational hypertension.
- ✗When the patient has hypertension without a confirmed diagnosis.
Code Exclusions
Always verify exclusions with the latest ICD-10-CM official guidelines and updates.
Documentation Requirements
Proper documentation is crucial for accurate coding of hypertensive diseases. It should include the type of hypertension, the organs affected, and any related complications.
Clinical Information:
- •Type of hypertension (primary or secondary).
- •Affected organ(s) (heart, kidney, or both).
- •Presence of any complications.
- •Underlying condition causing secondary hypertension.
Supporting Evidence:
- •Clinical notes from the physician.
- •Laboratory and imaging reports.
- •Medication records.
- •Patient's medical history.
Good Documentation Example:
Patient diagnosed with primary hypertension with heart disease. Regularly takes antihypertensive medication.
Poor Documentation Example:
Patient has high blood pressure.
Common Documentation Errors:
- ⚠Not specifying the type of hypertension.
- ⚠Not documenting affected organ(s).
- ⚠Not mentioning any complications.
- ⚠Not recording the underlying condition for secondary hypertension.
Range Statistics
Coding Complexity
The complexity of coding hypertensive diseases lies in the need to accurately identify the type of hypertension, the organs affected, any complications, and the cause of secondary hypertension. This requires a thorough understanding of the disease process and careful review of the medical documentation.
Key Factors:
- ▸Determining the type of hypertension.
- ▸Identifying the affected organ(s).
- ▸Recognizing any complications.
- ▸Identifying the underlying condition for secondary hypertension.
Specialty Focus
Hypertensive diseases are primarily managed by cardiologists, nephrologists, and primary care physicians.
Primary Specialties:
Clinical Scenarios:
- • A patient with primary hypertension developing heart disease.
- • A patient with hypertension leading to chronic kidney disease.
- • A patient with hypertension causing both heart and kidney diseases.
- • A patient with secondary hypertension due to an adrenal tumor.
Resources & References
Several resources provide guidelines, clinical references, and educational materials for coding hypertensive diseases.
Official Guidelines:
- ICD-10-CM Official Guidelines for Coding and Reporting.
- American Heart Association (AHA) guidelines.
- American Society of Hypertension (ASH) guidelines.
Clinical References:
- Journal of Hypertension.
- Hypertension Research.
Educational Materials:
- AHA's Coding Clinic.
- ASH's Hypertension Primer.
Frequently Asked Questions
How to code hypertension with both heart and kidney diseases?
Use codes from the I13 category. Specify the severity of heart and kidney diseases using additional codes.