I31.3 ICD-10-CA code: Pericardial effusion (noninflammatory)
I31.3 is the ICD-10-CA code for “Pericardial effusion (noninflammatory)” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
I31.3Pericardial effusion (noninflammatory)
ICD-10-CA · Canada · Also written I313
Index terms
Entries in CIHI’s alphabetical index that lead to I31.3. Searching the index by the condition the note names is how coders reach this code.
- Chylopericardium
- Effusion, pericardium, pericardial (noninflammatory)
Notes for I31.3
As CIHI prints them, with any note I31.3 takes from the headings above it.
Includes
- Chylopericardium
Excludes
Conditions classified elsewhere.
- Current complications following acute myocardial infarction (I23.-)postcardiotomy syndrome (I97.0)trauma (S26.-)when specified as rheumatic (I09.2)From I31 Other diseases of pericardium
- Certain:• conditions originating in the perinatal period (P00-P96)• infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)systemic connective tissue disorders (M30-M36)transient cerebral ischaemic attacks and related syndromes (G45.-)From Chapter 9: Diseases of the circulatory system (I00-I99)
Where I31.3 sits
- 1ChapterChapter 9: Diseases of the circulatory system (I00-I99)
- 2Block I30-I52Other forms of heart disease
- 3Category I31Other diseases of pericardium
- 4Valid code I31.3Pericardial effusion (noninflammatory)
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does ICD-10-CA code I31.3 mean?
I31.3 is the ICD-10-CA code for “Pericardial effusion (noninflammatory)” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is I31.3 in ICD-10-CA?
I31.3 sits under I31 Other diseases of pericardium, within I30-I52 Other forms of heart disease, within Chapter 9: Diseases of the circulatory system (I00-I99).
What coding notes apply to I31.3?
ICD-10-CA lists Includes, Excludes notes for I31.3, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.