I28.9 – Disease of pulmonary vessels, unspecified
ICD-10-CM 2027 diagnosis code · Pulmonary heart disease and diseases of pulmonary circulation
ICD-10-CM code
I28.9
- Code
I28.9(claims format:I289)- Description
- Disease of pulmonary vessels, unspecified
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 9. Diseases of the circulatory system (I00-I99)
- Block
- I26-I28 Pulmonary heart disease and diseases of pulmonary circulation
- Parent codes
- I28
Index terms for I28.9
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in I28
Frequently asked questions
What is ICD-10 code I28.9?
I28.9 is the ICD-10-CM code for disease of pulmonary vessels, unspecified, in the block I26-I28 (Pulmonary heart disease and diseases of pulmonary circulation).
Is I28.9 a billable code?
Yes. I28.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does I28.9 belong to?
It belongs to category I28 – Other diseases of pulmonary vessels.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.