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A48.4

A48.4Brazilian purpuric fever

Billable / specific codeICD-10-CM

A48.4 is a billable, specific ICD-10-CM code for brazilian purpuric fever. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Systemic Hemophilus aegyptius infection

Risk adjustment

A48.4 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

How A48.4 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to A48.4.

  • FeverBrazilian purpuric
  • Infection, infected, infectiveHemophilusaegyptius, systemic

Related codes at this level

Codes that share A48. If A48.4 is not quite right, the correct code is usually one of these.

Questions about A48.4

Is A48.4 a billable ICD-10-CM code?
Yes. A48.4 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does A48.4 sit in the tabular list?
Certain infectious and parasitic diseases (A00-B99), in the block Other bacterial diseases (A30-A49).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.