401.9 - Unspecified Essential Hypertension
The ICD 9 Code for Unspecified essential hypertension is listed as 401.9.
Additional information concerning this code and description can be found below including ICD 10 crosswalks / GEMS, and chapter information where available.
| ICD 9 CM Field | Value |
|---|---|
| Diagnosis Code: | 401.9 |
| Long Description: | Unspecified essential hypertension |
| Short Description: | Hypertension NOS |
| Chapter: | Diseases Of The Circulatory System |
| Block: | Hypertensive Disease (401-405) |
| ICD-10-CM Diagnosis Codes General Equivalence Mappings (GEMS): | |
| ICD-10-CM Code: | I10 - Essential (primary) hypertension (approximate) |
| ICD-9-CM Siblings (same level / similar specificity) of 401.9: | |
| 401.0 - Malignant essential hypertension | |
| 401.1 - Benign essential hypertension | |