G90.3 vs I95.1
G90.3 (Multi-system degeneration of the autonomic nervous system) compared with I95.1 (Orthostatic hypotension), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. G90.3 carries an Excludes1 note covering I95.1: “orthostatic hypotension NOS (I95.1)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. I95.1 carries an Excludes1 note covering G90.3: “neurogenic orthostatic hypotension [Shy-Drager] (G90.3)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| G90.3Multi-system degeneration of the autonomic nervous system | I95.1Orthostatic hypotension | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | G00-G99 — Diseases of the Nervous System (G00-G99) | I00-I99 — Diseases of the Circulatory System (I00-I99) |
| Definition | Multi-system degeneration of the autonomic nervous system is a billable ICD-10-CM diagnosis code (G90.3). | Orthostatic hypotension is a billable ICD-10-CM diagnosis code (I95.1). |
| Includes | Neurogenic orthostatic hypotension [Shy-Drager] | Hypotension, postural |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources