Hypertensive emergency
- I16.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2025 edition of ICD-10-CM I16.1 became effective on October 1, 2024.
- This is the American ICD-10-CM version of I16.1 – other international versions of ICD-10 I16.1 may differ.
Use Additional
- 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)
The following code(s) above I16.1 contain annotation back-references
that may be applicable to I16.1:
ICD-10-CM I16.1 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):
Convert I16.1 to ICD-9-CMCode History
- 2017 (effective 10/1/2016): New code
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
- 2024 (effective 10/1/2023): No change
- 2025 (effective 10/1/2024): No change
Code annotations containing back-references to I16.1:
- Code Also: D59.39
Diagnosis Index entries containing back-references to I16.1:
- Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic) I10
- emergency I16.1