ICD-10 I68.8
Billable / SpecificOther cerebrovascular disorders in diseases classified elsewhere
About ICD-10-CM I68.8
ICD-10-CM code I68.8 represents Other cerebrovascular disorders in diseases classified elsewhere. This is a billable/specific code in the Circulatory System chapter (block I68). The 2026 edition of ICD-10-CM I68.8 became effective on October 1, 2025.
Type 1 Excludes
Pure excludes, these codes can never be coded together with I68.8. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- syphilitic cerebral aneurysm (A52.05)
Coding Notes
Code First
- underlying disease
Medicare LCD Coverage for I68.8
Local Coverage Determinations (LCDs) from CMS MACs that list I68.8 as a covered diagnosis.
Showing top 10 of 93 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing I68.8.
5 Medicare
1 Aetna
CPT Codes Commonly Billed with I68.8
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Convert I68.8 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| I68.8 | 4378 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To I68.8
Other codes in section I60-I69 (Cerebrovascular diseases).
ICD-10 I68.8, Billing FAQ
Is ICD-10 code I68.8 billable? +
Yes, I68.8 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What codes are Type 1 Excludes for I68.8? +
Type 1 Excludes (never code together with I68.8): syphilitic cerebral aneurysm (A52.05)
What ICD-9 codes does I68.8 map to? +
Per CMS GEMs, I68.8 maps to ICD-9 codes: 4378. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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