I38 – Endocarditis, valve unspecified

ICD-10-CM 2027 diagnosis code · Other forms of heart disease

Billable code

ICD-10-CM code I38
Code
I38 (claims format: I38)
Description
Endocarditis, valve 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
I30-I5A Other forms of heart disease

Notes for I38

Includes:
  • endocarditis (chronic) NOS
  • valvular incompetence NOS
  • valvular insufficiency NOS
  • valvular regurgitation NOS
  • valvular stenosis NOS
  • valvulitis (chronic) NOS
Excludes1 (not coded here):
  • congenital insufficiency of cardiac valve NOS (Q24.8)
  • congenital stenosis of cardiac valve NOS (Q24.8)
  • endocardial fibroelastosis (I42.4)
  • endocarditis specified as rheumatic (I09.1)

Index terms for I38

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

Frequently asked questions

What is ICD-10 code I38?

I38 is the ICD-10-CM code for endocarditis, valve unspecified, in the block I30-I5A (Other forms of heart disease).

Is I38 a billable code?

Yes. I38 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

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.