I25.81

Atherosclerosis of other coronary vessels without angina pectoris

FY2027Chapter 9: Diseases of the circulatory system/I20–I25 Ischemic heart diseases

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

Use additional code
Code also
Excludes2

I25.81 is a non-billable ICD-10-CM code header for atherosclerosis of other coronary vessels without angina pectoris. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are I25.810 Atherosclerosis of coronary artery bypass graft(s) without angina pectoris, I25.811 Atherosclerosis of native coronary artery of transplanted heart without angina pectoris and I25.812 Atherosclerosis of bypass graft of coronary artery of transplanted heart without angina pectoris. Its coding notes include a Use additional code instruction, a Code also instruction and 12 Excludes2 entries.

Use additional code

Add the listed code as a secondary code, if known.

This code

code, if applicable, to identify:
- coronary atherosclerosis due to calcified coronary lesion (I25.84)
- coronary atherosclerosis due to lipid rich plaque (I25.83)

Inherited from I25 Chronic ischemic heart disease

code to identify:
- chronic total occlusion of coronary artery (I25.82)
- exposure to environmental tobacco smoke (Z77.22)
- history of tobacco dependence (Z87.891)
- occupational exposure to environmental tobacco smoke (Z57.31)
- tobacco dependence (F17.-)
- tobacco use (Z72.0)

Code also

Two codes may be needed to describe the condition. This note gives no sequencing order.

Also from chapter/block level (1 note)

Inherited from I20–I25 Ischemic heart diseases

the presence of hypertension (I10-I1A)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

This code

atherosclerotic heart disease of native coronary artery without angina pectoris (I25.10)

Inherited from I25 Chronic ischemic heart disease

non-ischemic myocardial injury (I5A)

Also from chapter/block level (10 notes)

Inherited from Chapter 9 Diseases of the circulatory system

certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
systemic connective tissue disorders (M30-M36)
transient cerebral ischemic attacks and related syndromes (G45.-)

More specific codes under I25.81 3