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Other and unspecified disorders of circulatory system
Chapter 9: Diseases of the circulatory system
Coding Guidance
I99 should not be used for reimbursement purposes as there are more specific codes below it that contain a greater level of detail. See Related Codes to drill down to more specific billable codes for appropriate reimbursement.
From parent codes: I00-I99 (Chapter 9)
Excludes2 means 'NOT INCLUDED HERE!' An Excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time.
More specific codes for I99