ICD-10 L03.021
Billable / SpecificAcute lymphangitis of right finger
About ICD-10-CM L03.021
ICD-10-CM code L03.021 represents Acute lymphangitis of right finger. This is a billable/specific code in the Skin and Subcutaneous Tissue chapter (block L03). The 2026 edition of ICD-10-CM L03.021 became effective on October 1, 2025.
Medicare LCD Coverage for L03.021
Local Coverage Determinations (LCDs) from CMS MACs that list L03.021 as a covered diagnosis.
Showing top 10 of 220 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing L03.021.
5 Medicare
CPT Codes Commonly Billed with L03.021
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 L03.021 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 |
|---|---|---|
| L03.021 | 68100 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To L03.021
Other codes in section L00-L08 (Infections of the skin and subcutaneous tissue).
ICD-10 L03.021, Billing FAQ
Is ICD-10 code L03.021 billable? +
Yes, L03.021 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What ICD-9 codes does L03.021 map to? +
Per CMS GEMs, L03.021 maps to ICD-9 codes: 68100. 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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