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ICD-10-CM Current in FY 2027

I16.1

Hypertensive emergency

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where I16.1 sits in the official hierarchy. Each level is the code it is classified under.

  1. I16 Parent Hypertensive crisis
  2. I16.1 This code Hypertensive emergency

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Code Also

, if applicable, to identify specific organ dysfunction, such as:

Code Also

any identified hypertensive disease (I10-I15, I1A )

Inherited from I16 — Hypertensive crisis

Code Also

acute kidney injury ( N17 .-)

Code Also

acute myocardial infarction ( I21 .-)

Code Also

acute pulmonary edema (left and/or right ventricular failure) ( J81.0 , I50 .-)

Code Also

aortic dissection ( I71.0- )

Code Also

cerebral hemorrhage (I60.-. I61.-, I62 .-)

Code Also

cerebral infarction ( I63 .-)

Code Also

eclampsia ( O15 .-)

Code Also

hypertensive encephalopathy ( I67.4 )

Code Also

seizure ( R56.9 )

Version History

How I16.1 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Hypertensive emergency

  2. FY 2026 Effective

    Unchanged

    Hypertensive emergency

Related Codes

Other codes under I16

Codes whose official notes reference I16.1

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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