I31.3

Non-billable

Pericardial 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.

Status
Header (non-billable)
Chapter
I00-I99
Parent
I31
Subcodes
2
Edition
FY2026

I00-I99 Diseases of the circulatory system

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 are the subcodes of I31.3?
I31.3 has 2 more specific child codes, including I31.31, I31.39.
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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