ICD-10-CM · Chapter 9 · I00-I99
I27 Other pulmonary heart diseases
Subcodes
Each subcode links to a detail page with full clinical annotations.
| Code | Description | Billable |
|---|---|---|
| I27..0 | Primary pulmonary hypertension | Yes |
| I27..1 | Kyphoscoliotic heart disease | Yes |
| I27..2 | Other secondary pulmonary hypertension | No |
| I27..20 | Pulmonary hypertension, unspecified | Yes |
| I27..21 | Secondary pulmonary arterial hypertension | Yes |
| I27..22 | Pulmonary hypertension due to left heart disease | Yes |
| I27..23 | Pulmonary hypertension due to lung diseases and hypoxia | Yes |
| I27..24 | Chronic thromboembolic pulmonary hypertension | Yes |
| I27..29 | Other secondary pulmonary hypertension | Yes |
| I27..8 | Other specified pulmonary heart diseases | No |
| I27..81 | Cor pulmonale (chronic) | Yes |
| I27..82 | Chronic pulmonary embolism | Yes |
| I27..83 | Eisenmenger's syndrome | Yes |
| I27..84 | Fontan related circulation | No |
| I27..840 | Fontan-associated liver disease [FALD] | Yes |
| I27..841 | Fontan-associated lymphatic dysfunction | Yes |
| I27..848 | Other Fontan-associated condition | Yes |
| I27..849 | Fontan related circulation, unspecified | Yes |
| I27..89 | Other specified pulmonary heart diseases | Yes |
| I27..9 | Pulmonary heart disease, unspecified | Yes |
Last reviewed: September 2026