Cerebrovascular disorders in diseases classified elsewhere (I68) ICD-10-CM
The I68 code range covers cerebrovascular disorders in diseases classified elsewhere with 4 ICD-10-CM diagnosis codes. 3 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Codes in the I68 Range 4 codes · 3 billable
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the I68 range.
Amyloid Neuropathies, Familial
Inherited disorders of the peripheral nervous system associated with the deposition of AMYLOID in nerve tissue. The different clinical types based on symptoms correspond to the presence of a variety of mutations in several different proteins including transthyretin (PREALBUMIN); APOLIPOPROTEIN A-I; and GELSOLIN.
Cerebral Amyloid Angiopathy
A heterogeneous group of sporadic or familial disorders characterized by AMYLOID deposits in the walls of small and medium sized blood vessels of CEREBRAL CORTEX and MENINGES. Clinical features include multiple, small lobar CEREBRAL HEMORRHAGE; cerebral ischemia (BRAIN ISCHEMIA); and CEREBRAL INFARCTION. Cerebral amyloid angiopathy is unrelated to generalized AMYLOIDOSIS. Amyloidogenic peptides in this condition are nearly always the same ones found in ALZHEIMER DISEASE. (from Kumar: Robbins and Cotran: Pathologic Basis of Disease, 7th ed., 2005)
Cerebral Amyloid Angiopathy, Familial
A familial disorder marked by AMYLOID deposits in the walls of small and medium sized blood vessels of CEREBRAL CORTEX and MENINGES.
About the I68 Code Range
The ICD-10 code I68 covers cerebrovascular disorders that occur as complications in other diseases, rather than as primary conditions. These codes help specify when blood vessel problems in the brain are linked to systemic illnesses or other underlying causes.
The ICD-10 code I68.0 is used for cerebral amyloid angiopathy, a condition also known by terms like hereditary cerebrovascular amyloidosis or secondary systemic amyloidosis, where amyloid deposits affect brain vessels and increase stroke risk. Coders should note this include localized hereditary amyloidosis and familial non-neuropathic forms. I68.2 identifies cerebral arteritis when caused by other diseases, including infectious origins, emphasizing vascular inflammation within a broader illness. Lastly, I68.8 is for other specified cerebrovascular disorders linked to different diseases not detailed elsewhere. Using these codes accurately captures cerebrovascular complications arising in the context of systemic conditions, guiding proper diagnosis and patient management in clinical records and billing.
Questions About This Page
How many billable codes are in the I68 range?
Of the 4 codes in this range, 3 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the I68 range classify?
The range classifies cerebrovascular disorders in diseases classified elsewhere. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
