ICD-10 I70.90
Billable / SpecificUnspecified atherosclerosis
About ICD-10-CM I70.90
ICD-10-CM code I70.90 represents Unspecified atherosclerosis. This is a billable/specific code in the Circulatory System chapter (block I70). The 2026 edition of ICD-10-CM I70.90 became effective on October 1, 2025.
Medicare LCD Coverage for I70.90
Local Coverage Determinations (LCDs) from CMS MACs that list I70.90 as a covered diagnosis.
Showing top 10 of 207 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing I70.90.
5 Medicare
CPT Codes Commonly Billed with I70.90
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 I70.90 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 |
|---|---|---|
| I70.90 | 4409 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To I70.90
Other codes in section I70-I79 (Diseases of arteries, arterioles and capillaries).
ICD-10 I70.90, Billing FAQ
Is ICD-10 code I70.90 billable? +
Yes, I70.90 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What ICD-9 codes does I70.90 map to? +
Per CMS GEMs, I70.90 maps to ICD-9 codes: 4409. 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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