I38

Billable

Endocarditis, valve unspecified

I38 is the ICD-10-CM code for Endocarditis, valve unspecified. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
I00-I99
Edition
FY2026

I00-I99 Diseases of the circulatory system

What this means — in plain language

MedlinePlus · NIH

What is endocarditis? Endocarditis is sometimes called infective endocarditis. It's a rare but life-threatening inflammation of the lining inside your heart's chambers and valves (the endocardium). Endocarditis is usually caused by germs that get into your bloodstream and travel to your heart. Once they get inside your heart, the germs can attach to the lining or get trapped in the valves. They start to grow,…

Read more about Endocarditis at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

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)

Conditions mapped to this code

MedlinePlus · NIH

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

Frequently asked questions

What is ICD-10 code I38?
I38 is the ICD-10-CM code for "Endocarditis, valve unspecified". It falls under I00-I99 Diseases of the circulatory system.
Is I38 a billable code?
Yes — I38 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from I38?
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).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.