I31.3
Non-billablePericardial effusion (noninflammatory)
I31.3 is the ICD-10-CM code for Pericardial effusion (noninflammatory). It is a non-billable category code — use a more specific child code such as I31.31 for billing.
I00-I99 Diseases of the circulatory system
What this means — in plain language
MedlinePlus · NIHThe pericardium is a membrane, or sac, that surrounds your heart. It holds the heart in place and helps it work properly. Problems with the pericardium include: Pericarditis - an inflammation of the sac. It can be from a virus or other infection, a heart attack, heart surgery, other medical conditions, injuries, and certain medicines. Pericardial effusion - the buildup of fluid in the sac Cardiac tamponade - a…
Read more about Pericardial Disorders at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes1 — not coded here
- •acute pericardial effusion (I30.9)
Frequently asked questions
- What is ICD-10 code I31.3?
- I31.3 is the ICD-10-CM code for "Pericardial effusion (noninflammatory)". It falls under I00-I99 Diseases of the circulatory system.
- Is I31.3 a billable code?
- No — I31.3 is a non-billable header code. Use a more specific child code (such as I31.31) for billing.
- What is excluded from I31.3?
- Excludes1 (not coded here): acute pericardial effusion (I30.9).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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