ICD-10 A30.4
Billable / Specific CCBorderline lepromatous leprosy
About ICD-10-CM A30.4
ICD-10-CM code A30.4 represents Borderline lepromatous leprosy. This is a billable/specific code in the Infectious and Parasitic Diseases chapter (block A30). The 2026 edition of ICD-10-CM A30.4 became effective on October 1, 2025.
Coding Tips for A30.4
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
A30.4 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.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under A30.4. Per CMS ICD-10-CM Tabular 2026.
- BL leprosy
Inpatient DRG Impact, CC
codes Borderline lepromatous leprosy. As a Complication/Comorbidity (CC), this contributes to DRG severity adjustment when documented alongside the principal diagnosis.
Medicare LCD Coverage for A30.4
Local Coverage Determinations (LCDs) from CMS MACs that list A30.4 as a covered diagnosis.
Showing top 10 of 77 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing A30.4.
1 Cigna
5 Medicare
CPT Codes Commonly Billed with A30.4
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
Convert A30.4 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 |
|---|---|---|
| A30.4 | 0303 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To A30.4
Other codes in section A30-A49 (Other bacterial diseases).
ICD-10 A30.4, Billing FAQ
Is ICD-10 code A30.4 billable? +
Yes, A30.4 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 A30.4? +
ICD-10 A30.4 includes: BL leprosy.
Is A30.4 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 CPT codes are commonly billed with A30.4? +
Procedures frequently paired with A30.4 include: 11719, G0127, 11056.
What ICD-9 codes does A30.4 map to? +
Per CMS GEMs, A30.4 maps to ICD-9 codes: 0303. 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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