ICD-10 I80
Non-Billable HeaderPhlebitis and thrombophlebitis
About ICD-10-CM I80
ICD-10-CM code I80 represents Phlebitis and thrombophlebitis. This is a non-billable header code in the Circulatory System chapter (block I80). The 2026 edition of ICD-10-CM I80 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.
Type 1 Excludes
Pure excludes, these codes can never be coded together with I80. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- venous embolism and thrombosis of lower extremities (I82.4-, I82.5-, I82.81-)
Includes
- endophlebitis
- inflammation, vein
- periphlebitis
- suppurative phlebitis
Coding Notes
Code First
- , if applicable: phlebitis and thrombophlebitis complicating abortion, ectopic or molar pregnancy (O00-O07, O08.7)
- phlebitis and thrombophlebitis complicating pregnancy, childbirth and the puerperium (O22.-, O87.-)
Medicare LCD Coverage for I80
Local Coverage Determinations (LCDs) from CMS MACs that list I80 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 I80.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but I80 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with I80
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 I80
Other codes in section I80-I89 (Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified).
ICD-10 I80, Billing FAQ
Is ICD-10 code I80 billable? +
No, I80 is a non-billable header code. Use a more specific child code from block I80 when submitting claims.
What codes are Type 1 Excludes for I80? +
Type 1 Excludes (never code together with I80): venous embolism and thrombosis of lower extremities (I82.4-, I82.5-, I82.81-)
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on June 1, 2026.
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