Disease of pulmonary vessels, unspecified
- I28.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2025 edition of ICD-10-CM I28.9 became effective on October 1, 2024.
- This is the American ICD-10-CM version of I28.9 – other international versions of ICD-10 I28.9 may differ.
The following code(s) above I28.9 contain annotation back-references
that may be applicable to I28.9:
- I00-I99 Diseases of the circulatory system
Approximate Synonyms
- Disease of pulmonary circulation
- Disorder of pulmonary circulation
ICD-10-CM I28.9 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):
- 314 Other circulatory system diagnoses with mcc
- 315 Other circulatory system diagnoses with cc
- 316 Other circulatory system diagnoses without cc/mcc
Convert I28.9 to ICD-9-CMCode 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
- 2024 (effective 10/1/2023): No change
- 2025 (effective 10/1/2024): No change
Diagnosis Index entries containing back-references to I28.9:
- Disease, diseased – see also Syndrome
- pulmonary – see also Disease, lung
- artery I28.9
- pulmonary – see also Disease, lung