ICD-10 L03.319
Billable / Specific CCCellulitis of trunk, unspecified
About ICD-10-CM L03.319
ICD-10-CM code L03.319 represents Cellulitis of trunk, unspecified. This is a billable/specific code in the Skin and Subcutaneous Tissue chapter (block L03). The 2026 edition of ICD-10-CM L03.319 became effective on October 1, 2025.
Coding Tips for L03.319
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
L03.319 is designated CC for MS-DRG grouping. On inpatient claims, this code can shift the DRG to the with-CC variant when documented as a present-on-admission secondary diagnosis. Hospital CDI programs flag CC opportunities during chart review. Failure to capture this code may leave 30 to 80 percent of the inpatient stay revenue unrealized.
Inpatient DRG Impact, CC
codes Cellulitis of trunk, unspecified. As a Complication/Comorbidity (CC), this contributes to DRG severity adjustment when documented alongside the principal diagnosis.
Medicare LCD Coverage for L03.319
Local Coverage Determinations (LCDs) from CMS MACs that list L03.319 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 L03.319.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but L03.319 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with L03.319
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 L03.319 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 |
|---|---|---|
| L03.319 | 6822 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To L03.319
Other codes in section L00-L08 (Infections of the skin and subcutaneous tissue).
ICD-10 L03.319, Billing FAQ
Is ICD-10 code L03.319 billable? +
Yes, L03.319 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
Is L03.319 a CC or MCC for inpatient DRG? +
Yes, this code is designated as CC. Documenting as a secondary diagnosis on inpatient claims can shift the DRG to a higher-weighted category.
What ICD-9 codes does L03.319 map to? +
Per CMS GEMs, L03.319 maps to ICD-9 codes: 6822. 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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