ICD-10 I89.1
Billable / SpecificLymphangitis
About ICD-10-CM I89.1
ICD-10-CM code I89.1 represents Lymphangitis. This is a billable/specific code in the Circulatory System chapter (block I89). The 2026 edition of ICD-10-CM I89.1 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under I89.1. Per CMS ICD-10-CM Tabular 2026.
- Chronic lymphangitis
- Lymphangitis NOS
- Subacute lymphangitis
Type 1 Excludes
Pure excludes, these codes can never be coded together with I89.1. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- acute lymphangitis (L03.-)
Medicare LCD Coverage for I89.1
Local Coverage Determinations (LCDs) from CMS MACs that list I89.1 as a covered diagnosis.
Showing top 10 of 24 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing I89.1.
1 Cigna
1 Medicare
CPT Codes Commonly Billed with I89.1
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 I89.1 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 |
|---|---|---|
| I89.1 | 4572 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To I89.1
Other codes in section I80-I89 (Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified).
ICD-10 I89.1, Billing FAQ
Is ICD-10 code I89.1 billable? +
Yes, I89.1 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to I89.1? +
ICD-10 I89.1 includes: Chronic lymphangitis; Lymphangitis NOS; Subacute lymphangitis.
What codes are Type 1 Excludes for I89.1? +
Type 1 Excludes (never code together with I89.1): acute lymphangitis (L03.-)
What ICD-9 codes does I89.1 map to? +
Per CMS GEMs, I89.1 maps to ICD-9 codes: 4572. 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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