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I27.83 Eisenmenger's syndrome
BackI27Other pulmonary heart diseasesCategory5 →I27.0Primary pulmonary hypertensionCategoryI27.1Kyphoscoliotic heart diseaseCategoryI27.2Other secondary pulmonary hypertensionCategory6 →I27.20Pulmonary hypertension, unspecifiedCategoryI27.21Secondary pulmonary arterial hypertensionCategoryI27.22Pulmonary hypertension due to left heart diseaseCategoryI27.23Pulmonary hypertension due to lung diseases and hypoxiaCategoryI27.24Chronic thromboembolic pulmonary hypertensionCategoryI27.29Other secondary pulmonary hypertensionCategoryI27.8Other specified pulmonary heart diseasesCategory5 →I27.81Cor pulmonale (chronic)CategoryI27.82Chronic pulmonary embolismCategoryI27.83Eisenmenger's syndromeCategoryI27.84Fontan related circulationCategory4 →I27.840Fontan-associated liver disease [FALD]CategoryI27.841Fontan-associated lymphatic dysfunctionCategoryI27.848Other Fontan-associated conditionCategoryI27.849Fontan related circulation, unspecifiedCategoryI27.89Other specified pulmonary heart diseasesCategoryI27.9Pulmonary heart disease, unspecifiedCategory
CategoryCODABLE
I27.83
Eisenmenger's syndrome
EXAMPLES
Eisenmenger's complex
(Irreversible) Eisenmenger's disease
Pulmonary hypertension with right to left shunt related to congenital heart disease
(Irreversible) Eisenmenger's disease
Pulmonary hypertension with right to left shunt related to congenital heart disease
CODING RULE
Code also: underlying heart defect, if known, such as:
atrial septal defect (Q21.1-)
Eisenmenger's defect (Q21.8)
patent ductus arteriosus (Q25.0)
ventricular septal defect (Q21.0)
atrial septal defect (Q21.1-)
Eisenmenger's defect (Q21.8)
patent ductus arteriosus (Q25.0)
ventricular septal defect (Q21.0)
- Chapter
- IX · Diseases of the circulatory system
- Section
- I26-I28
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.