ICD-10-CM Current in FY 2027

I16

Hypertensive crisis

Release: FY 2027
Effective: October 1, 2026

Official source

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files.

Code Also

any identified hypertensive disease (I10-I15, I1A )

More Specific Codes

3 codes under I16

Version History

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

FY 2027 Effective October 1, 2026
Current

Hypertensive crisis
FY 2026 Effective October 1, 2025
Unchanged

Hypertensive crisis

Codes whose official notes reference I16

G90.81 Serotonin syndrome Billable

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: October 1, 2026
Source file: icd10cm-code-descriptions-2027.zip

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

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