I27.2 vs I27.83
I27.2 (Other secondary pulmonary hypertension) compared with I27.83 (Eisenmenger's syndrome), 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. I27.2 carries an Excludes1 note covering I27.83: “Eisenmenger's syndrome (I27.83)”
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
| I27.2Other secondary pulmonary hypertension | I27.83Eisenmenger's syndrome | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | I00-I99 — Diseases of the Circulatory System (I00-I99) | I00-I99 — Diseases of the Circulatory System (I00-I99) |
| Definition | Other secondary pulmonary hypertension is a non-billable ICD-10-CM category code (I27.2). | Eisenmenger's syndrome is a billable ICD-10-CM diagnosis code (I27.83). |
| Includes | — | Eisenmenger's complex (Irreversible) Eisenmenger's disease Pulmonary hypertension with right to left shunt related to congenital heart disease |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources