I98 ICD-10-CA category: Other disorders of circulatory system in diseases classified elsewhere
I98 isn’t a code on its own. Choose one of the 5 codes beneath it, the one the documentation supports.
Official description
I98Other disorders of circulatory system in diseases classified elsewhere
ICD-10-CA · Canada
Codes in I98
I98 isn’t a code on its own. Open the code that matches what the note documents.
I98.0Cardiovascular syphilisI98.1Cardiovascular disorders in other infectious and parasitic diseases classified elsewhereI98.2Oesophageal varices without bleeding in diseases classified elsewhereI98.3Oesophageal varices with bleeding in diseases classified elsewhereI98.8Other specified disorders of circulatory system in diseases classified elsewhereNotes for I98
As CIHI prints them, with any note I98 takes from the headings above it.
Excludes
Conditions classified elsewhere.
- Disorders classified to other asterisk categories within this chapter
- 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 I98 sits
- 1ChapterChapter 9: Diseases of the circulatory system (I00-I99)
- 2Block I95-I99Other and unspecified disorders of the circulatory system
- 3Category I98Other disorders of circulatory system in diseases classified elsewhere
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
Is I98 a valid ICD-10-CA code?
No. I98 (Other disorders of circulatory system in diseases classified elsewhere) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 5 codes; record the one the documentation supports.
Where is I98 in ICD-10-CA?
I98 sits under I95-I99 Other and unspecified disorders of the circulatory system, within Chapter 9: Diseases of the circulatory system (I00-I99).
What coding notes apply to I98?
ICD-10-CA lists Excludes notes for I98, 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.