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.
401 to 440 of 1,309
- A51.32Syphilitic alopeciaBillable
- A51.39Other secondary syphilis of skinBillable
- A51.4Other secondary syphilisHeader
- A51.41Secondary syphilitic meningitisBillable
- A51.42Secondary syphilitic female pelvic diseaseBillable
- A51.43Secondary syphilitic oculopathyBillable
- A51.44Secondary syphilitic nephritisBillable
- A51.45Secondary syphilitic hepatitisBillable
- A51.46Secondary syphilitic osteopathyBillable
- A51.49Other secondary syphilitic conditionsBillable
- A51.5Early syphilis, latentBillable
- A51.9Early syphilis, unspecifiedBillable
- A52Late syphilisHeader
- A52.0Cardiovascular and cerebrovascular syphilisHeader
- A52.00Cardiovascular syphilis, unspecifiedBillable
- A52.01Syphilitic aneurysm of aortaBillable
- A52.02Syphilitic aortitisBillable
- A52.03Syphilitic endocarditisBillable
- A52.04Syphilitic cerebral arteritisBillable
- A52.05Other cerebrovascular syphilisBillable
- A52.06Other syphilitic heart involvementBillable
- A52.09Other cardiovascular syphilisBillable
- A52.1Symptomatic neurosyphilisHeader
- A52.10Symptomatic neurosyphilis, unspecifiedBillable
- A52.11Tabes dorsalisBillable
- A52.12Other cerebrospinal syphilisBillable
- A52.13Late syphilitic meningitisBillable
- A52.14Late syphilitic encephalitisBillable
- A52.15Late syphilitic neuropathyBillable
- A52.16Charcot's arthropathy (tabetic)Billable
- A52.17General paresisBillable
- A52.19Other symptomatic neurosyphilisBillable
- A52.2Asymptomatic neurosyphilisBillable
- A52.3Neurosyphilis, unspecifiedBillable
- A52.7Other symptomatic late syphilisHeader
- A52.71Late syphilitic oculopathyBillable
- A52.72Syphilis of lung and bronchusBillable
- A52.73Symptomatic late syphilis of other respiratory organsBillable
- A52.74Syphilis of liver and other visceraBillable
- A52.75Syphilis of kidney and ureterBillable