A00–B99: Certain Infectious and Parasitic Diseases
Chapter 1 of ICD-10-CM 2027, 1,309 codes in 22 blocks.
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Chapter instructions
Includes: conditions that are coded here
- diseases generally recognized as communicable or transmissible
Excludes2: not included here, code separately if applicable
- carrier or suspected carrier of infectious disease (Z22.-)
- certain localized infections - see body system-related chapters
- 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: add a second code for this, listed after this one
- code to identify resistance to antimicrobial drugs (Z16.-)
Codes in this chapter
All codesBillable only1,309 results
- A36.84Diphtheritic tubulo-interstitial nephropathy
- A36.85Diphtheritic cystitis
- A36.86Diphtheritic conjunctivitis
- A36.89Other diphtheritic complications
- A36.9Diphtheria, unspecified
- A37Whooping cough
- A37.0Whooping cough due to Bordetella pertussis
- A37.00Whooping cough due to Bordetella pertussis without pneumonia
- A37.01Whooping cough due to Bordetella pertussis with pneumonia
- A37.1Whooping cough due to Bordetella parapertussis
- A37.10Whooping cough due to Bordetella parapertussis without pneumonia
- A37.11Whooping cough due to Bordetella parapertussis with pneumonia
- A37.8Whooping cough due to other Bordetella species
- A37.80Whooping cough due to other Bordetella species without pneumonia
- A37.81Whooping cough due to other Bordetella species with pneumonia
- A37.9Whooping cough, unspecified species
- A37.90Whooping cough, unspecified species without pneumonia
- A37.91Whooping cough, unspecified species with pneumonia
- A38Scarlet fever
- A38.0Scarlet fever with otitis media
- A38.1Scarlet fever with myocarditis
- A38.8Scarlet fever with other complications
- A38.9Scarlet fever, uncomplicated
- A39Meningococcal infection
- A39.0Meningococcal meningitis
- A39.1Waterhouse-Friderichsen syndrome
- A39.2Acute meningococcemia
- A39.3Chronic meningococcemia
- A39.4Meningococcemia, unspecified
- A39.5Meningococcal heart disease
- A39.50Meningococcal carditis, unspecified
- A39.51Meningococcal endocarditis
- A39.52Meningococcal myocarditis
- A39.53Meningococcal pericarditis
- A39.8Other meningococcal infections
- A39.81Meningococcal encephalitis
- A39.82Meningococcal retrobulbar neuritis
- A39.83Meningococcal arthritis
- A39.84Postmeningococcal arthritis
- A39.89Other meningococcal infections
- A39.9Meningococcal infection, unspecified
- A40Streptococcal sepsis
- A40.0Sepsis due to streptococcus, group A
- A40.1Sepsis due to streptococcus, group B
- A40.3Sepsis due to Streptococcus pneumoniae
- A40.8Other streptococcal sepsis
- A40.9Streptococcal sepsis, unspecified
- A41Other sepsis
- A41.0Sepsis due to Staphylococcus aureus
- A41.01Sepsis due to Methicillin susceptible Staphylococcus aureus