ICD-10-CM · Chapter 9 · I00–I99
I27.9
Pulmonary heart disease, unspecified
Diseases of the circulatory system
Quick facts
- Code
- I27.9
- Type
- Billable code
- ICD-10-CM chapter
- Chapter 9 — Diseases of the circulatory system
- Category
- I27 — Other pulmonary heart diseases
- Specificity
- 4 characters
How coders use this code
ICD-10-CM I27.9 is a billable, fully specified code, so it can be reported directly on a claim to document a diagnosis of pulmonary heart disease, unspecified. Coders assign it when the chart documentation supports this level of detail, always matching to the most specific code available and verifying against the chapter-specific guidelines published annually by NCHS/CMS.
Related codes in I27
- I27Other pulmonary heart diseases
- I27.0Primary pulmonary hypertension
- I27.1Kyphoscoliotic heart disease
- I27.2Other secondary pulmonary hypertension
- I27.20Pulmonary hypertension, unspecified
- I27.21Secondary pulmonary arterial hypertension
- I27.22Pulmonary hypertension due to left heart disease
- I27.23Pulmonary hypertension due to lung diseases and hypoxia
- I27.24Chronic thromboembolic pulmonary hypertension
- I27.29Other secondary pulmonary hypertension
- I27.8Other specified pulmonary heart diseases
- I27.81Cor pulmonale (chronic)
- I27.82Chronic pulmonary embolism
- I27.83Eisenmenger's syndrome
- I27.84Fontan related circulation
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