ICD-10 I82.40
Non-Billable HeaderAcute embolism and thrombosis of unspecified deep veins of lower extremity
About ICD-10-CM I82.40
ICD-10-CM code I82.40 represents Acute embolism and thrombosis of unspecified deep veins of lower extremity. This is a non-billable header code in the Circulatory System chapter (block I82). The 2026 edition of ICD-10-CM I82.40 became effective on October 1, 2025. Non-billable codes cannot be used as a primary or secondary diagnosis on a claim, use a more specific child code instead.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under I82.40. Per CMS ICD-10-CM Tabular 2026.
- Deep vein thrombosis NOS
- DVT NOS
Type 1 Excludes
Pure excludes, these codes can never be coded together with I82.40. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- acute embolism and thrombosis of unspecified deep veins of distal lower extremity (I82.4Z-)
- acute embolism and thrombosis of unspecified deep veins of proximal lower extremity (I82.4Y-)
Medicare LCD Coverage for I82.40
Local Coverage Determinations (LCDs) from CMS MACs that list I82.40 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing I82.40.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but I82.40 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with I82.40
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.
Codes Adjacent To I82.40
Other codes in section I80-I89 (Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified).
ICD-10 I82.40, Billing FAQ
Is ICD-10 code I82.40 billable? +
No, I82.40 is a non-billable header code. Use a more specific child code from block I82 when submitting claims.
What other names or terms map to I82.40? +
ICD-10 I82.40 includes: Deep vein thrombosis NOS; DVT NOS.
What codes are Type 1 Excludes for I82.40? +
Type 1 Excludes (never code together with I82.40): acute embolism and thrombosis of unspecified deep veins of distal lower extremity (I82.4Z-); acute embolism and thrombosis of unspecified deep veins of proximal lower extremity (I82.4Y-)
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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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