I23.88 ICD-10-CA code: Other current complications following acute myocardial infarction
I23.88 is the ICD-10-CA code for “Other current complications following acute myocardial infarction” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
I23.88Other current complications following acute myocardial infarction
Short description: Other current complication foll acute MI
ICD-10-CA · Canada · Also written I2388
Index terms
Entries in CIHI’s alphabetical index that lead to I23.88. Searching the index by the condition the note names is how coders reach this code.
- Complication, complications (from) (of), following, acute myocardial infarction, specified
Notes for I23.88
As CIHI prints them, with any note I23.88 takes from the headings above it.
Includes
- With mention of hypertension (I10-I15)From I20-I25 Ischaemic heart diseases
Use additional code
Add a code for this detail when the note documents it.
- Use additional code to identify presence of hypertension.From I20-I25 Ischaemic heart diseases
Excludes
Conditions classified elsewhere.
- The listed conditions, when:• concurrent with acute myocardial infarction (I21-I22)• not specified as current complications following acute myocardial infarction (I31.-)(I51.-)From I23 Certain current complications following acute myocardial infarction
- 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)
Note
- For morbidity, duration as used in categories (I21, I22, I24 and I25) refers to the interval elapsing between onset of the ischaemic episode and admission to care.From I20-I25 Ischaemic heart diseases
Where I23.88 sits
- 1ChapterChapter 9: Diseases of the circulatory system (I00-I99)
- 2Block I20-I25Ischaemic heart diseases
- 3Category I23Certain current complications following acute myocardial infarction
- 4Subcategory I23.8Other current complications following acute myocardial infarction
- 5Valid code I23.88Other current complications following acute myocardial infarction
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 I23.88 mean?
I23.88 is the ICD-10-CA code for “Other current complications following acute myocardial infarction” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is I23.88 in ICD-10-CA?
I23.88 sits under I23.8 Other current complications following acute myocardial infarction, within I23 Certain current complications following acute myocardial infarction, within I20-I25 Ischaemic heart diseases, within Chapter 9: Diseases of the circulatory system (I00-I99).
What coding notes apply to I23.88?
ICD-10-CA lists Excludes, Note, Includes, Use additional code notes for I23.88, 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.