Scarlet fever (A38) ICD-10-CM
The A38 code range covers scarlet fever with 5 ICD-10-CM diagnosis codes. 4 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Includes
This note appears immediately under a three character code title to further define, or give examples of, the content of the category.
- scarlatina
Type 2 Excludes
A type 2 excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.
- streptococcal sore throat J02.0
Codes in the A38 Range 5 codes · 4 billable
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the A38 range.
Scarlet Fever
Infection with group A streptococci that is characterized by tonsillitis and pharyngitis. An erythematous rash is commonly present.
About the A38 Code Range
ICD-10 code A38 covers scarlet fever, a bacterial illness commonly linked to a streptococcal infection. These codes categorize scarlet fever cases by the presence or absence of specific complications, helping healthcare providers document and treat this condition accurately.
Scarlet fever is classified under several codes reflecting its clinical variations. A38.9 is used for uncomplicated scarlet fever, also known as streptococcal sore throat with scarlatina or Streptococcus pyogenes infection. When scarlet fever leads to complications, distinct codes apply: A38.0 indicates scarlet fever with otitis media (ear infection caused by the scarlet fever), while A38.1 covers scarlet fever complicated by myocarditis, an inflammation of the heart muscle. A38.8 is reserved for scarlet fever with other complications, sometimes called staphylococcal scarlatina. Using these specific ICD-10 codes ensures clear communication about the patient's condition and guides appropriate medical care.
Questions About This Page
How many billable codes are in the A38 range?
Of the 5 codes in this range, 4 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the A38 range classify?
The range classifies scarlet fever. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
