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ICD-10-CM Codes
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I00-I99
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I26-I28
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I27-
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2023 ICD-10-CM Diagnosis Code I27.9
2023 ICD-10-CM Diagnosis Code I27.9
Pulmonary heart disease, unspecified
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
- I27.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2023 edition of ICD-10-CM I27.9 became effective on October 1, 2022.
- This is the American ICD-10-CM version of I27.9 - other international versions of ICD-10 I27.9 may differ.
Applicable To- Chronic cardiopulmonary disease
The following code(s) above
I27.9 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
I27.9:
- Heart disease due to pulmonary hypertension secondary to disease of the lungs, or its blood vessels, with hypertrophy of the right ventricle.
- Heart disease which occurs as a result of a primary pulmonary disease. Cor pulmonale most often manifests as right ventricular hypertrophy; it can also lead to right ventricular failure.
- Hypertrophy and dilation of the right ventricle of the heart that is caused by pulmonary hypertension. This condition is often associated with pulmonary parenchymal or vascular diseases, such as chronic obstructive pulmonary disease and pulmonary embolism.
ICD-10-CM I27.9 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
- 314 Other circulatory system diagnoses with mcc
- 315 Other circulatory system diagnoses with cc
- 316 Other circulatory system diagnoses without cc/mcc
Convert I27.9 to ICD-9-CM
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
ICD-10-CM Codes Adjacent To I27.9
I27.21 Secondary pulmonary arterial hypertension
I27.22 Pulmonary hypertension due to left heart disease
I27.23 Pulmonary hypertension due to lung diseases and hypoxia
I27.24 Chronic thromboembolic pulmonary hypertension
I27.29 Other secondary pulmonary hypertension
I27.8 Other specified pulmonary heart diseases
I27.81 Cor pulmonale (chronic)
I27.82 Chronic pulmonary embolism
I27.89 Other specified pulmonary heart diseases
I27.9
Pulmonary heart disease, unspecified
I28 Other diseases of pulmonary vessels
I28.0 Arteriovenous fistula of pulmonary vessels
I28.1 Aneurysm of pulmonary artery
I28.8 Other diseases of pulmonary vessels
I28.9 Disease of pulmonary vessels, unspecified
I30.0 Acute nonspecific idiopathic pericarditis
I30.1 Infective pericarditis
I30.8 Other forms of acute pericarditis
I30.9 Acute pericarditis, unspecified
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
