MedCodeSearch
ICD-10-CM Current in FY 2027

I1A.0

Resistant hypertension

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

Hierarchy

Where I1A.0 sits in the official hierarchy. Each level is the code it is classified under.

  1. I1A Parent Other hypertension
  2. I1A.0 This code Resistant hypertension

Official Coding Notes

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

Inclusion Terms

Apparent treatment resistant hypertension

Inclusion Terms

Treatment resistant hypertension

Inclusion Terms

True resistant hypertension

Code First

specific type of existing hypertension, if known, such as:

Code First

essential hypertension ( I10 )

Code First

secondary hypertension ( I15 .-)

Version History

How I1A.0 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Resistant hypertension

  2. FY 2026 Effective

    Unchanged

    Resistant hypertension

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)

MedCodeSearch is an independent reference service and is not affiliated with CMS, CDC, or the U.S. government.

Look up another code

Search ICD-10-CM, ICD-10-PCS and HCPCS Level II by code or description.