I97.821 – Postprocedural cerebrovascular infarction following other surgery

ICD-10-CM 2027 diagnosis code · Other and unspecified disorders of the circulatory system

Billable code

ICD-10-CM code I97.821
Code
I97.821 (claims format: I97821)
Description
Postprocedural cerebrovascular infarction following other surgery
Short description
Postprocedural cerebvasc infarction following other surgery
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
9. Diseases of the circulatory system (I00-I99)
Block
I95-I99 Other and unspecified disorders of the circulatory system
Parent codes
I97 › I97.8 › I97.82

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

I97 – Intraoperative and postprocedural complications and disorders of circulatory system, not elsewhere classified

Excludes2 (not included here):
  • postprocedural shock (T81.1-)

I97.8 – Other intraoperative and postprocedural complications and disorders of the circulatory system, not elsewhere classified

Use additional code:
  • code, if applicable, to further specify disorder

Index terms for I97.821

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in I97.82

Frequently asked questions

What is ICD-10 code I97.821?

I97.821 is the ICD-10-CM code for postprocedural cerebrovascular infarction following other surgery, in the block I95-I99 (Other and unspecified disorders of the circulatory system).

Is I97.821 a billable code?

Yes. I97.821 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does I97.821 belong to?

It belongs to category I97 – Intraoperative and postprocedural complications and disorders of circulatory system, not elsewhere classified.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.