ICD-10-CM 2026 · Effective October 1, 2025

ICD-10 I80.01

Billable / Specific

Phlebitis and thrombophlebitis of superficial vessels of right lower extremity

I80
Block
0
Synonyms
299
LCDs
20
Payer Policies
26
Linked CPTs

About ICD-10-CM I80.01

ICD-10-CM code I80.01 represents Phlebitis and thrombophlebitis of superficial vessels of right lower extremity. This is a billable/specific code in the Circulatory System chapter (block I80). The 2026 edition of ICD-10-CM I80.01 became effective on October 1, 2025.

Medicare LCD Coverage for I80.01

Local Coverage Determinations (LCDs) from CMS MACs that list I80.01 as a covered diagnosis.

299 LCDs

Showing top 10 of 299 total . Click a CPT for full coverage scope.

CMS LCD: Billing and Coding: Treatment of Varicose Veins of the Lower Extremity
Article ID: 52870, Effective: 2025-01-01 00:00:00, 45 covered, 19 non-covered
CPT 36466 →
CMS LCD: Billing and Coding: Treatment of Varicose Veins of the Lower Extremity
Article ID: 52870, Effective: 2025-01-01 00:00:00, 45 covered, 19 non-covered
CPT 37766 →
CMS LCD: Billing and Coding: Treatment of Varicose Veins of the Lower Extremity
Article ID: 52870, Effective: 2025-01-01 00:00:00, 45 covered, 19 non-covered
CPT 36475 →
CMS LCD: Billing and Coding: Treatment of Varicose Veins of the Lower Extremity
Article ID: 52870, Effective: 2025-01-01 00:00:00, 45 covered, 19 non-covered
CPT 36473 →
CMS LCD: Billing and Coding: Treatment of Varicose Veins of the Lower Extremity
Article ID: 52870, Effective: 2025-01-01 00:00:00, 45 covered, 19 non-covered
CPT 36471 →
CMS LCD: Billing and Coding: Treatment of Varicose Veins of the Lower Extremity
Article ID: 52870, Effective: 2025-01-01 00:00:00, 45 covered, 19 non-covered
CPT 36476 →
CMS LCD: Billing and Coding: Treatment of Varicose Veins of the Lower Extremity
Article ID: 52870, Effective: 2025-01-01 00:00:00, 45 covered, 19 non-covered
CPT 36479 →
CMS LCD: Billing and Coding: Treatment of Varicose Veins of the Lower Extremity
Article ID: 52870, Effective: 2025-01-01 00:00:00, 45 covered, 19 non-covered
CPT 37799 →
CMS LCD: Billing and Coding: Treatment of Varicose Veins of the Lower Extremity
Article ID: 52870, Effective: 2025-01-01 00:00:00, 45 covered, 19 non-covered
CPT 37700 →
CMS LCD: Billing and Coding: Treatment of Varicose Veins of the Lower Extremity
Article ID: 52870, Effective: 2025-01-01 00:00:00, 45 covered, 19 non-covered
CPT 36468 →

Commercial Payer Coverage

Coverage policies from major commercial payers referencing I80.01.

20 policies

5 Medicare

Billing and Coding: Treatment of Varicose Veins of the Lower Extremity
Policy ID: ART-52870
Billing and Coding: Peripheral Venous Ultrasound
Policy ID: ART-52993
Billing and Coding: Routine Foot Care
Policy ID: ART-52996
Billing and Coding: Treatment of Chronic Venous Insufficiency of the Lower Extremities
Policy ID: ART-55229
Billing and Coding: Foot Care
Policy ID: ART-56232

CPT Codes Commonly Billed with I80.01

Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.

26 linkages
  • 36470 CMS LCD: Billing and Coding: Treatment of Varicose Veins of the Lower Extremities CMS LCD
  • 36473 CMS LCD: Billing and Coding: Treatment of Varicose Veins of the Lower Extremities CMS LCD
  • 37760 CMS LCD: Billing and Coding: Treatment of Varicose Veins of the Lower Extremities CMS LCD
  • 36474 CMS LCD: Billing and Coding: Treatment of Varicose Veins of the Lower Extremities CMS LCD
  • 37765 CMS LCD: Billing and Coding: Treatment of Varicose Veins of the Lower Extremities CMS LCD
  • 37735 CMS LCD: Billing and Coding: Treatment of Varicose Veins of the Lower Extremities CMS LCD
  • 37780 CMS LCD: Billing and Coding: Treatment of Varicose Veins of the Lower Extremities CMS LCD
  • 93971 CMS LCD: Billing and Coding: Treatment of Varicose Veins of the Lower Extremities CMS LCD
  • 36466 CMS LCD: Billing and Coding: Treatment of Varicose Veins of the Lower Extremities CMS LCD
  • 37761 CMS LCD: Billing and Coding: Treatment of Varicose Veins of the Lower Extremities CMS LCD

Convert I80.01 to ICD-9-CM

Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.

ICD-10ICD-9Mapping Flags
I80.01 4510 10000

Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).

Codes Adjacent To I80.01

Other codes in section I80-I89 (Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified).

I80 Phlebitis and thrombophlebitis (non-billable) I80.0 Phlebitis and thrombophlebitis of superficial vessels of lower extremities (non-billable) I80.00 Phlebitis and thrombophlebitis of superficial vessels of unspecified lower extremity I80.02 Phlebitis and thrombophlebitis of superficial vessels of left lower extremity I80.03 Phlebitis and thrombophlebitis of superficial vessels of lower extremities, bilateral I80.1 Phlebitis and thrombophlebitis of femoral vein (non-billable) I80.10 Phlebitis and thrombophlebitis of unspecified femoral vein I80.11 Phlebitis and thrombophlebitis of right femoral vein I80.12 Phlebitis and thrombophlebitis of left femoral vein I80.13 Phlebitis and thrombophlebitis of femoral vein, bilateral I80.2 Phlebitis and thrombophlebitis of other and unspecified deep vessels of lower extremities (non-billable) I80.20 Phlebitis and thrombophlebitis of unspecified deep vessels of lower extremities (non-billable) I80.201 Phlebitis and thrombophlebitis of unspecified deep vessels of right lower extremity I80.202 Phlebitis and thrombophlebitis of unspecified deep vessels of left lower extremity I80.203 Phlebitis and thrombophlebitis of unspecified deep vessels of lower extremities, bilateral I80.209 Phlebitis and thrombophlebitis of unspecified deep vessels of unspecified lower extremity I80.21 Phlebitis and thrombophlebitis of iliac vein (non-billable) I80.211 Phlebitis and thrombophlebitis of right iliac vein I80.212 Phlebitis and thrombophlebitis of left iliac vein I80.213 Phlebitis and thrombophlebitis of iliac vein, bilateral

ICD-10 I80.01, Billing FAQ

Is ICD-10 code I80.01 billable? +

Yes, I80.01 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.

What CPT codes are commonly billed with I80.01? +

Procedures frequently paired with I80.01 include: 36470, 36473, 37760, 36474, 37765.

What ICD-9 codes does I80.01 map to? +

Per CMS GEMs, I80.01 maps to ICD-9 codes: 4510. 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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