I27.9 – Pulmonary heart disease, unspecified

ICD-10-CM 2027 diagnosis code · Pulmonary heart disease and diseases of pulmonary circulation

Billable code

ICD-10-CM code I27.9
Code
I27.9 (claims format: I279)
Description
Pulmonary heart disease, 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
I27

Notes for I27.9

Applicable to:
  • Chronic cardiopulmonary disease

Index terms for I27.9

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in I27

Frequently asked questions

What is ICD-10 code I27.9?

I27.9 is the ICD-10-CM code for pulmonary heart disease, unspecified, in the block I26-I28 (Pulmonary heart disease and diseases of pulmonary circulation).

Is I27.9 a billable code?

Yes. I27.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does I27.9 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.