I16.1
I16.1: Hypertensive emergency
Billable / specific codeICD-10-CM
I16.1 is a billable, specific ICD-10-CM code for hypertensive emergency. It is valid for submission on a claim.
Check I16.1 with the rest of the claim: free scrubberCode also
Both codes may be needed to describe the encounter fully. Sequencing depends on the reason for the visit.
- , 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)
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
I16.1 is named in 10 Medicare coverage policies: 10 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
- A56605Billing and Coding: B-type Natriuretic Peptide (BNP) Testing
- A56625Billing and Coding: Echocardiography
- A56758Billing and Coding: Non-Invasive Vascular Studies
Alphabetic index entries that lead here
- Hypertension, hypertensive›emergency
Code history
Unchanged in every release from FY2024 to FY2027.