I67.85
Hereditary cerebrovascular diseases
Non-billable headerNot valid on its own. Use one of the more specific codes under it.
I67.85 is a non-billable ICD-10-CM code header for hereditary cerebrovascular diseases. 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 I67.850 Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy and I67.858 Other hereditary cerebrovascular disease. Its coding notes include a Use additional code instruction, 3 Excludes1 entries and 11 Excludes2 entries.
Use additional code
Add the listed code as a secondary code, if known.
Also from chapter/block level (8 notes)
Inherited from I60–I69 Cerebrovascular diseases
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Inherited from I67 Other cerebrovascular diseases
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
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.-)