ICD-10-CM
Certain infectious and parasitic diseases
Chapter 1, A00-B99. CDC FY2027 file dated June 16, 2026.
License: a US government work, in the public domain (Public Domain Mark 1.0).
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Categories
167 categories in this chapter. Open one, or page through every code below.
- A00Cholera
- A01Typhoid and paratyphoid fevers
- A02Other salmonella infections
- A03Shigellosis
- A04Other bacterial intestinal infections
- A05Other bacterial foodborne intoxications, NEC
- A06Amebiasis
- A07Other protozoal intestinal diseases
- A08Viral and other specified intestinal infections
- A09Infectious gastroenteritis and colitis, unspecified
- A15Respiratory tuberculosis
- A17Tuberculosis of nervous system
- A18Tuberculosis of other organs
- A19Miliary tuberculosis
- A20Plague
- A21Tularemia
- A22Anthrax
- A23Brucellosis
- A24Glanders and melioidosis
- A25Rat-bite fevers
- A26Erysipeloid
- A27Leptospirosis
- A28Other zoonotic bacterial diseases, not elsewhere classified
- A30Leprosy [Hansen's disease]
- A31Infection due to other mycobacteria
- A32Listeriosis
- A33Tetanus neonatorum
- A34Obstetrical tetanus
- A35Other tetanus
- A36Diphtheria
- A37Whooping cough
- A38Scarlet fever
- A39Meningococcal infection
- A40Streptococcal sepsis
- A41Other sepsis
- A42Actinomycosis
131 more categories are in this chapter. Type a code or a term to open one.
Codes
A header groups codes and is not billed. A billable code is one you can report.
321 to 360 of 1,309
- A42.7Actinomycotic sepsisBillable
- A42.8Other forms of actinomycosisHeader
- A42.81Actinomycotic meningitisBillable
- A42.82Actinomycotic encephalitisBillable
- A42.89Other forms of actinomycosisBillable
- A42.9Actinomycosis, unspecifiedBillable
- A43NocardiosisHeader
- A43.0Pulmonary nocardiosisBillable
- A43.1Cutaneous nocardiosisBillable
- A43.8Other forms of nocardiosisBillable
- A43.9Nocardiosis, unspecifiedBillable
- A44BartonellosisHeader
- A44.0Systemic bartonellosisBillable
- A44.1Cutaneous and mucocutaneous bartonellosisBillable
- A44.8Other forms of bartonellosisBillable
- A44.9Bartonellosis, unspecifiedBillable
- A46ErysipelasBillable
- A48Other bacterial diseases, not elsewhere classifiedHeader
- A48.0Gas gangreneBillable
- A48.1Legionnaires' diseaseBillable
- A48.2Nonpneumonic Legionnaires' disease [Pontiac fever]Billable
- A48.3Toxic shock syndromeBillable
- A48.4Brazilian purpuric feverBillable
- A48.5Other specified botulismHeader
- A48.51Infant botulismBillable
- A48.52Wound botulismBillable
- A48.8Other specified bacterial diseasesBillable
- A49Bacterial infection of unspecified siteHeader
- A49.0Staphylococcal infection, unspecified siteHeader
- A49.01Methicillin susceptible staphylococcus infection, unspecified siteBillable
- A49.02Methicillin resistant staphylococcus infection, unspecified siteBillable
- A49.1Streptococcal infection, unspecified siteBillable
- A49.2Hemophilus influenzae infection, unspecified siteBillable
- A49.3Mycoplasma infection, unspecified siteBillable
- A49.8Other bacterial infections of unspecified siteBillable
- A49.9Bacterial infection, unspecifiedBillable
- A50Congenital syphilisHeader
- A50.0Early congenital syphilis, symptomaticHeader
- A50.01Early congenital syphilitic oculopathyBillable
- A50.02Early congenital syphilitic osteochondropathyBillable