ICD-10 A48.4
Billable / SpecificBrazilian purpuric fever
About ICD-10-CM A48.4
ICD-10-CM code A48.4 represents Brazilian purpuric fever. This is a billable/specific code in the Infectious and Parasitic Diseases chapter (block A48). The 2026 edition of ICD-10-CM A48.4 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under A48.4. Per CMS ICD-10-CM Tabular 2026.
- Systemic Hemophilus aegyptius infection
Medicare LCD Coverage for A48.4
Local Coverage Determinations (LCDs) from CMS MACs that list A48.4 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 A48.4.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but A48.4 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with A48.4
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 A48.4 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 |
|---|---|---|
| A48.4 | 04089 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To A48.4
Other codes in section A30-A49 (Other bacterial diseases).
ICD-10 A48.4, Billing FAQ
Is ICD-10 code A48.4 billable? +
Yes, A48.4 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 A48.4? +
ICD-10 A48.4 includes: Systemic Hemophilus aegyptius infection.
What ICD-9 codes does A48.4 map to? +
Per CMS GEMs, A48.4 maps to ICD-9 codes: 04089. Useful for legacy data review and historical claim analysis.
Get the full PayerReady toolkit
Free access to CPT/ICD-10 lookup, denial appeals, fee comparator, and claim auditing with credentialing enrollment.
Start free →Run this code through our claim audit tool
Check NCCI bundling, MUE limits, and modifier logic before submission.
Try the auditor →Did this page help?
Quick signal so we know what to improve.
If you want a code reference page that doesn't exist yet, email coding@payerready.com.
Tell us what's missing or wrong: coding@payerready.com. We respond within 5 business days.
Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
Powered by 11K CPT · 98K ICD-10 · 860K MPFS rates · 4.5M NCCI edits · 9.5M NPIs. Our data methodology · About our coding team