ICD-11 classes
08 Diseases of the nervous system
Disorders of autonomic nervous system
8D89 — Disorders of orthostatic tolerance

ICD-11 8D89 — Disorders of orthostatic tolerance

Disorders characterized by symptomatic arterial hypotension (lightheadedness, fatigue) when assuming an upright position usually due to dysfunction of adrenergic regulation.

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis with code 8D89 contains 7 clarifying diagnoses:

1. 8D89.0 — Reflex syncope
2. 8D89.1 — Syncope due to autonomic failure
3. 8D89.2 — Postural orthostatic tachycardia syndrome
4. 8D89.3 — Baroreflex failure
5. BA21 — Orthostatic hypotension
6. 8D89.Y — Other specified disorders of orthostatic tolerance
7. 8D89.Z — Disorders of orthostatic tolerance, unspecified