Free Medical Coding > ICD10 CM > 2024 ICD-10-CM Codes > 2024 ICD-10-CM Codes I00-I99 – Diseases of the circulatory system (I00-I99) > 2024 ICD-10-CM Codes I26-I28 – Pulmonary heart disease and diseases of pulmonary circulation (I26-I28) > 2024 ICD-10-CM Codes I27 – Other pulmonary heart diseases (I27) > 2024 ICD-10-CM Codes I27.8 – Other specified pulmonary heart diseases (I27.8)