All ICD10 Codes

A38

Non-Billable
ChapterA00–B99
Rankcategory
Official Description

Scarlet fever

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 1: Certain Infectious and Parasitic Diseases (A00-B99).

CH1 Parent Instructions

Includes
  • diseases generally recognized as communicable or transmissible
Excludes1(Not coded here)
  • certain localized infections - see body system-related chapters
Excludes2(Not included here)
  • carrier or suspected carrier of infectious disease (Z22.-)
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)
  • influenza and other acute respiratory infections (J00-J22)
Use Additional Code
  • code to identify resistance to antimicrobial drugs (Z16.-)

Instructional Notes

Includes
  • scarlatina
Excludes2(Not included here)
  • streptococcal sore throat (J02.0)

Clinical Hierarchy

CH1Certain infectious and parasitic diseases (A00-B99)
A30-A49Other bacterial diseases (A30-A49)
A38Scarlet fever
A38.0Scarlet fever with otitis media
A38.1Scarlet fever with myocarditis
A38.8Scarlet fever with other complications
A38.9Scarlet fever, uncomplicated

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to A38:

chapterCH1
Certain infectious and parasitic diseases (A00-B99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to A38. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

18 raw paths
Albuminuria, albuminuric (acute) (chronic) (subacute)1 unique routes
scarlatinal→A38
Canker (mouth) (sore)1 unique routes
rash→A38
Convulsions (idiopathic)1 unique routes
scarlatinal→A38
Disease, diseased1 unique routes
Fothergill's
scarlatina anginosa→A38
Febris, febrile1 unique routes
rubra→A38
Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor)1 unique routes
scarlet→A38
Fothergill's1 unique routes
disease (trigeminal neuralgia)
scarlatina anginosa→A38
Myocarditis (with arteriosclerosis)(chronic)(fibroid) (interstitial) (old) (progressive) (senile)1 unique routes
in (due to)
scarlet fever→A38
Otitis (acute)2 unique routes
media (hemorrhagic) (staphylococcal) (streptococcal)(2 variants)
acute, subacute
necrotizing
in
scarlet fever→A38
in (due to) (with)
scarlet fever→A38
Rash (toxic)2 unique routes
canker→A38
scarlet→A38
Scarlatina (anginosa) (maligna)4 unique routes
Direct index entry→A38
myocarditis (acute)→A38
otitis media→A38
ulcerosa→A38
Scarlet fever (albuminuria) (angina)1 unique routes
Direct index entry→A38
Ulcerosa scarlatina1 unique routes
Direct index entry→A38

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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