I25.721
Billable codeAtherosclerosis of autologous artery coronary artery bypass graft(s) with angina pectoris with documented spasm
The ICD-10 code for atherosclerosis of autologous artery coronary artery bypass graft(s) with angina pectoris with documented spasm is I25.721.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
- angina pectoris with documented spasm without atherosclerosis of autologous artery coronary artery bypass graft(s) (I20.1)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- I25.720Atherosclerosis of autologous artery coronary artery bypass graft(s) with unstable angina pectoris
- I25.722Atherosclerosis of autologous artery coronary artery bypass graft(s) with refractory angina pectoris
- I25.728Atherosclerosis of autologous artery coronary artery bypass graft(s) with other forms of angina pectoris
- I25.729Atherosclerosis of autologous artery coronary artery bypass graft(s) with unspecified angina pectoris
- I25.721Atherosclerosis of autologous artery coronary artery bypass graft(s) with angina pectoris with documented spasm
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 4139Approximate match
- 41404Approximate match
Associated MS-DRGs
I25.721 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.