ICD-11 classes
11 Diseases of the circulatory system
Hypertensive diseases
BA04 — Secondary hypertension

ICD-11 BA04 — Secondary hypertension

Defined through the measurement of the blood pressure using cuff method with a sitting systolic blood pressure above 140 mmHg or a sitting diastolic blood pressure above 90 mmHg in three consequent measurements with an identifiable cause.

The diagnosis includes nothing.

Diagnosis with code BA04 contains 8 clarifying diagnoses:

1. BA04.0 — Combined diastolic and systolic secondary hypertension
2. BA04.1 — Isolated diastolic secondary hypertension
3. BA04.2 — Isolated systolic secondary hypertension
4. LA90.40 — Congenital renal artery stenosis
5. 5A72 — Hyperaldosteronism
   It contains 3 clarifying diagnoses.
6. JA20.4 — Pre-existing secondary hypertension complicating pregnancy, childbirth or the puerperium
7. BA04.Y — Other specified secondary hypertension
8. BA04.Z — Secondary hypertension, unspecified