I27.81 – Cor pulmonale (chronic)
ICD-10-CM 2027 diagnosis code · Pulmonary heart disease and diseases of pulmonary circulation
ICD-10-CM code
I27.81
- Code
I27.81(claims format:I2781)- Description
- Cor pulmonale (chronic)
- 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
- I27 › I27.8
Notes for I27.81
Applicable to:
- Cor pulmonale NOS
Excludes1 (not coded here):
- acute cor pulmonale (I26.0-)
Code also:
- , if applicable, right heart failure (I50.81-)
Index terms for I27.81
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in I27.8
Frequently asked questions
What is ICD-10 code I27.81?
I27.81 is the ICD-10-CM code for cor pulmonale (chronic), in the block I26-I28 (Pulmonary heart disease and diseases of pulmonary circulation).
Is I27.81 a billable code?
Yes. I27.81 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does I27.81 belong to?
It belongs to category I27 – Other pulmonary heart diseases.
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.