2021 ICD-10-CM Diagnosis Sections -

Leprosy [Hansen's disease]:

• A30.0 Indeterminate leprosy
• A30.1 Tuberculoid leprosy
• A30.2 Borderline tuberculoid leprosy
• A30.3 Borderline leprosy
• A30.4 Borderline lepromatous leprosy
• A30.5 Lepromatous leprosy
• A30.8 Other forms of leprosy
• A30.9 Leprosy, unspecified

2021 ICD-10-CM Diagnosis Sections -

Infection due to other mycobacteria:

• A31.0 Pulmonary mycobacterial infection
• A31.1 Cutaneous mycobacterial infection
• A31.2 Disseminated mycobacterium avium-intracellulare complex (DMAC)
• A31.8 Other mycobacterial infections
• A31.9 Mycobacterial infection, unspecified

2021 ICD-10-CM Diagnosis Sections -

Listeriosis:

• A32.0 Cutaneous listeriosis
• A32.1 Listerial meningitis and meningoencephalitis
• A32.7 Listerial sepsis
• A32.8 Other forms of listeriosis
• A32.9 Listeriosis, unspecified

2021 ICD-10-CM Diagnosis Sections -

Tetanus neonatorum:

2021 ICD-10-CM Diagnosis Sections -

Obstetrical tetanus:

2021 ICD-10-CM Diagnosis Sections -

Other tetanus:

2021 ICD-10-CM Diagnosis Sections -

Diphtheria:

• A36.0 Pharyngeal diphtheria
• A36.1 Nasopharyngeal diphtheria
• A36.2 Laryngeal diphtheria
• A36.3 Cutaneous diphtheria
• A36.8 Other diphtheria
• A36.9 Diphtheria, unspecified

2021 ICD-10-CM Diagnosis Sections -

Whooping cough:

• A37.0 Whooping cough due to Bordetella pertussis
• A37.1 Whooping cough due to Bordetella parapertussis
• A37.8 Whooping cough due to other Bordetella species
• A37.9 Whooping cough, unspecified species

2021 ICD-10-CM Diagnosis Sections -

Scarlet fever:

• A38.0 Scarlet fever with otitis media
• A38.1 Scarlet fever with myocarditis
• A38.8 Scarlet fever with other complications
• A38.9 Scarlet fever, uncomplicated

2021 ICD-10-CM Diagnosis Sections -

Meningococcal infection:

• A39.0 Meningococcal meningitis
• A39.1 Waterhouse-Friderichsen syndrome
• A39.2 Acute meningococcemia
• A39.3 Chronic meningococcemia
• A39.4 Meningococcemia, unspecified
• A39.5 Meningococcal heart disease
• A39.8 Other meningococcal infections
• A39.9 Meningococcal infection, unspecified

2021 ICD-10-CM Diagnosis Sections -

Streptococcal sepsis:

• A40.0 Sepsis due to streptococcus, group A
• A40.1 Sepsis due to streptococcus, group B
• A40.3 Sepsis due to Streptococcus pneumoniae
• A40.8 Other streptococcal sepsis
• A40.9 Streptococcal sepsis, unspecified

2021 ICD-10-CM Diagnosis Sections -

Other sepsis:

• A41.0 Sepsis due to Staphylococcus aureus
• A41.1 Sepsis due to other specified staphylococcus
• A41.2 Sepsis due to unspecified staphylococcus
• A41.3 Sepsis due to Hemophilus influenzae
• A41.4 Sepsis due to anaerobes
• A41.5 Sepsis due to other Gram-negative organisms
• A41.8 Other specified sepsis
• A41.9 Sepsis, unspecified organism

2021 ICD-10-CM Diagnosis Sections -

Actinomycosis:

• A42.0 Pulmonary actinomycosis
• A42.1 Abdominal actinomycosis
• A42.2 Cervicofacial actinomycosis
• A42.7 Actinomycotic sepsis
• A42.8 Other forms of actinomycosis
• A42.9 Actinomycosis, unspecified

2021 ICD-10-CM Diagnosis Sections -

Nocardiosis:

• A43.0 Pulmonary nocardiosis
• A43.1 Cutaneous nocardiosis
• A43.8 Other forms of nocardiosis
• A43.9 Nocardiosis, unspecified

2021 ICD-10-CM Diagnosis Sections -

Bartonellosis:

• A44.0 Systemic bartonellosis
• A44.1 Cutaneous and mucocutaneous bartonellosis
• A44.8 Other forms of bartonellosis
• A44.9 Bartonellosis, unspecified

2021 ICD-10-CM Diagnosis Sections -

Erysipelas:

2021 ICD-10-CM Diagnosis Sections -

Other bacterial diseases, not elsewhere classified:

• A48.0 Gas gangrene
• A48.1 Legionnaires' disease
• A48.2 Nonpneumonic Legionnaires' disease [Pontiac fever]
• A48.3 Toxic shock syndrome
• A48.4 Brazilian purpuric fever
• A48.5 Other specified botulism
• A48.8 Other specified bacterial diseases

2021 ICD-10-CM Diagnosis Sections -

Bacterial infection of unspecified site:

• A49.0 Staphylococcal infection, unspecified site
• A49.1 Streptococcal infection, unspecified site
• A49.2 Hemophilus influenzae infection, unspecified site
• A49.3 Mycoplasma infection, unspecified site
• A49.8 Other bacterial infections of unspecified site
• A49.9 Bacterial infection, unspecified