I10-I1A
Hypertensive diseases
Hypertensive diseases (I10-I1A) is a block within ICD-10-CM Chapter 9: Diseases of the circulatory system. It holds 7 categories.
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- neonatal hypertension (P29.2)
- primary pulmonary hypertension (I27.0)
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- hypertensive disease complicating pregnancy, childbirth and the puerperium (O10-O11, O13-O16)
Use additional code
Report an additional code to identify the associated condition.
- code to identify:
- exposure to environmental tobacco smoke (Z77.22)
- history of tobacco dependence (Z87.891)
- occupational exposure to environmental tobacco smoke (Z57.31)
- tobacco dependence (F17.-)
- tobacco use (Z72.0)
Categories in I10-I1A
- I10Essential (primary) hypertension
- I11Hypertensive heart diseasecategory
- I12Hypertensive chronic kidney diseasecategory
- I13Hypertensive heart and chronic kidney diseasecategory
- I15Secondary hypertensioncategory
- I16Hypertensive crisiscategory
- I1AOther hypertensioncategory
Source
ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.