ICD-10 I87.9
Billable / SpecificDisorder of vein, unspecified
About ICD-10-CM I87.9
ICD-10-CM code I87.9 represents Disorder of vein, unspecified. This is a billable/specific code in the Circulatory System chapter (block I87). The 2026 edition of ICD-10-CM I87.9 became effective on October 1, 2025.
Medicare LCD Coverage for I87.9
Local Coverage Determinations (LCDs) from CMS MACs that list I87.9 as a covered diagnosis.
Showing top 7. Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing I87.9.
1 Aetna
1 Cigna
1 Medicare
CPT Codes Commonly Billed with I87.9
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 I87.9 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 |
|---|---|---|
| I87.9 | 4599 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To I87.9
Other codes in section I80-I89 (Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified).
ICD-10 I87.9, Billing FAQ
Is ICD-10 code I87.9 billable? +
Yes, I87.9 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What ICD-9 codes does I87.9 map to? +
Per CMS GEMs, I87.9 maps to ICD-9 codes: 4599. 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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