I35
Nonrheumatic aortic valve disorders
Non-billable headerNot valid on its own. Use one of the more specific codes under it.
I35 is a non-billable ICD-10-CM code category for nonrheumatic aortic valve disorders. 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 I35.0 Nonrheumatic aortic (valve) stenosis, I35.1 Nonrheumatic aortic (valve) insufficiency, I35.2 Nonrheumatic aortic (valve) stenosis with insufficiency, I35.8 Other nonrheumatic aortic valve disorders and 1 more. Its coding notes include a Code also instruction and 14 Excludes2 entries.
Code also
Two codes may be needed to describe the condition. This note gives no sequencing order.
This code
- , if applicable, bicuspid aortic valve (Q23.81)
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
This code
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.-)