Chapter I
Certain infectious and parasitic diseases
(A00-B99)

Rules Conventions GCS DChS.I.1

Other bacterial diseases
(A30-A49)

A30 Leprosy [Hansen disease]

Incl.:
infection due to Mycobacterium leprae
Excl.:
sequelae of leprosy ( B92)
A30.0 Indeterminate leprosy
Incl.:
I leprosy
A30.1 Tuberculoid leprosy
Incl.:
TT leprosy
A30.2 Borderline tuberculoid leprosy
Incl.:
BT leprosy
A30.3 Borderline leprosy
Incl.:
BB leprosy
A30.4 Borderline lepromatous leprosy
Incl.:
BL leprosy
A30.5 Lepromatous leprosy
Incl.:
LL leprosy
A30.8 Other forms of leprosy
A30.9 Leprosy, unspecified

A31 Infection due to other mycobacteria

Excl.:
leprosy ( A30.-)
tuberculosis ( A15-A19)
A31.0 Pulmonary mycobacterial infection
Incl.:
Infection due to Mycobacterium:
  • avium
  • intracellulare [Battey bacillus]
  • kansasii
A31.1 Cutaneous mycobacterial infection
Incl.:
Buruli ulcer
Infection due to Mycobacterium:
  • marinum
  • ulcerans
A31.8 Other mycobacterial infections
A31.9 Mycobacterial infection, unspecified
Incl.:
Atypical mycobacterium infection NOS
Mycobacteriosis NOS

A32 Listeriosis

Incl.:
listerial foodborne infection
Excl.:
neonatal (disseminated) listeriosis ( P37.2)
A32.0 Cutaneous listeriosis
A32.1† Listerial meningitis and meningoencephalitis
Incl.:
Listerial:
A32.7 Listerial sepsis
A32.8 Other forms of listeriosis
Incl.:
Listerial:
Oculoglandular listeriosis
A32.9 Listeriosis, unspecified

A33 Tetanus neonatorum

A34 Obstetrical tetanus

A35 Other tetanus

Incl.:
Tetanus NOS
Excl.:
tetanus:
  • neonatorum (A33)
  • obstetrical (A34)

A36 Diphtheria

A36.0 Pharyngeal diphtheria
Incl.:
Diphtheritic membranous angina
Tonsillar diphtheria
A36.1 Nasopharyngeal diphtheria
A36.2 Laryngeal diphtheria
Incl.:
Diphtheritic laryngotracheitis
A36.3 Cutaneous diphtheria
Excl.:
erythrasma ( L08.1)
A36.8 Other diphtheria
Incl.:
Diphtheritic:
A36.9 Diphtheria, unspecified

A37 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

A38 Scarlet fever

Incl.:
Scarlatina
Excl.:
streptococcal sore throat ( J02.0)

A39 Meningococcal infection

A39.0† Meningococcal meningitis (G01*)
A39.1† Waterhouse-Friderichsen syndrome (E35.1*)
Incl.:
Meningococcal haemorrhagic adrenalitis
Meningococcic adrenal syndrome
A39.2 Acute meningococcaemia
A39.3 Chronic meningococcaemia
A39.4 Meningococcaemia, unspecified
Incl.:
Meningococcal bacteraemia NOS
A39.5† Meningococcal heart disease
Incl.:
Meningococcal:
A39.8 Other meningococcal infections
Incl.:
Meningococcal:
Postmeningococcal arthritis† ( M03.0*)
A39.9 Meningococcal infection, unspecified
Incl.:
Meningococcal disease NOS

A40 Streptococcal sepsis
DChS.I.1

Coding-Hint
Use additional code ( R57.2) if desired, to identify septic shock.
Excl.:
during labour ( O75.3)
following:
  • abortion or ectopic or molar pregnancy (O03-O07, O08.0)
  • immunization (T88.0)
  • infusion, transfusion or therapeutic injection (T80.2)
neonatal ( P36.0-P36.1)
postprocedural ( T81.4)
puerperal ( O85)
A40.0 Sepsis due to streptococcus, group A
A40.1 Sepsis due to streptococcus, group B
A40.2 Sepsis due to streptococcus, group D
A40.3 Sepsis due to Streptococcus pneumoniae
Incl.:
Pneumococcal sepsis
A40.8 Other streptococcal sepsis
A40.9 Streptococcal sepsis, unspecified

A41 Other sepsis
DChS.I.1

Coding-Hint
Use additional code ( R57.2) if desired, to identify septic shock.
Excl.:
bacteraemia NOS ( A49.9)
during labour ( O75.3)
following:
  • abortion or ectopic or molar pregnancy (O03-O07, O08.0)
  • immunization (T88.0)
  • infusion, transfusion or therapeutic injection (T80.2)
sepsis (due to)(in):
septic:
toxic shock syndrome ( A48.3)
A41.0 Sepsis due to Staphylococcus aureus
A41.1 Sepsis due to other specified staphylococcus
Incl.:
Sepsis due to coagulase-negative staphylococcus
A41.2 Sepsis due to unspecified staphylococcus
A41.3 Sepsis due to Haemophilus influenzae
A41.4 Sepsis due to anaerobes
Excl.:
gas gangrene ( A48.0)
A41.5 Sepsis due to other Gram-negative organisms
Incl.:
Gram-negative sepsis NOS
A41.8 Other specified sepsis
A41.9 Sepsis, unspecified
Incl.:
Septicaemia

A42 Actinomycosis

Excl.:
actinomycetoma ( B47.1)
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

A43 Nocardiosis

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

A44 Bartonellosis

A44.0 Systemic bartonellosis
Incl.:
Oroya fever
A44.1 Cutaneous and mucocutaneous bartonellosis
Incl.:
Verruga peruana
A44.8 Other forms of bartonellosis
A44.9 Bartonellosis, unspecified

A46 Erysipelas

Excl.:
postpartum or puerperal erysipelas ( O86.8)

A48 Other bacterial diseases, not elsewhere classified

Excl.:
actinomycetoma ( B47.1)
A48.0 Gas gangrene
Incl.:
Clostridial:
  • cellulitis
  • myonecrosis
A48.1 Legionnaires disease
A48.2 Nonpneumonic Legionnaires disease [Pontiac fever]
A48.3 Toxic shock syndrome
Excl.:
endotoxic shock NOS ( R57.8)
sepsis NOS ( A41.9)
A48.4 Brazilian purpuric fever
Incl.:
Systemic Haemophilus aegyptius infection
A48.8 Other specified bacterial diseases

A49 Bacterial infection of unspecified site

Excl.:
bacterial agents as the cause of diseases classified to other chapters ( B95-B96)
chlamydial infection NOS ( A74.9)
meningococcal infection NOS ( A39.9)
rickettsial infection NOS ( A79.9)
spirochaetal infection NOS ( A69.9)
A49.0 Staphylococcal infection, unspecified site
A49.1 Streptococcal and enterococcal infection, unspecified site
A49.2 Haemophilus influenzae infection, unspecified site
A49.3 Mycoplasma infection, unspecified site
A49.8 Other bacterial infections of unspecified site
A49.9 Bacterial infection, unspecified
Incl.:
Bacteraemia NOS