ICD-10-CM Diagnosis Code (2025)
Official Description for I16
Hypertensive crisis
Coding Notes & Guidelines for I16
Use Additional Code
- code, if applicable, to identify specific organ dysfunction, such as:
- acute kidney injury (N17.-)
- acute myocardial infarction (I21.-)
- acute pulmonary edema (left and/or right ventricular failure) (J81.0, I50.-)
- aortic dissection (I71.0-)
- cerebral hemorrhage (I60.-. I61.-, I62.-)
- cerebral infarction (I63.-)
- eclampsia (O15.-)
- hypertensive encephalopathy (I67.4)
- seizure (R56.9)
Code Also
any identified hypertensive disease (I10-I15, I1A)
Child Codes (More Specific Codes for I16):
About ICD-10-CM Code I16 (Hypertensive crisis)
ICD-10-CM code I16 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM I16 became effective on October 1, 2024.
This page provides detailed information about I16 - Hypertensive crisis. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Hypertensive crisis.