Other bacterial diseases (A30-A49)
A30Leprosy [Hansen's disease]
Includes: infection due to Mycobacterium leprae
Excludes 1: sequelae of leprosy (B92)
A30.0Indeterminate leprosy
› I leprosy
A30.1Tuberculoid leprosy
› TT leprosy
A30.2Borderline tuberculoid leprosy
› BT leprosy
A30.3Borderline leprosy
› BB leprosy
A30.4Borderline lepromatous leprosy
› BL leprosy
A30.5Lepromatous leprosy
› LL leprosy
A30.8Other forms of leprosy
A30.9Leprosy, unspecified
A31Infection due to other mycobacteria
Excludes 2: leprosy (A30.-)
› tuberculosis (A15-A19)
A31.0Pulmonary mycobacterial infection
› Infection due to Mycobacterium avium
› Infection due to Mycobacterium intracellulare [Battey bacillus]
› Infection due to Mycobacterium kansasii
A31.1Cutaneous mycobacterial infection
› Buruli ulcer
› Infection due to Mycobacterium marinum
› Infection due to Mycobacterium ulcerans
A31.2Disseminated mycobacterium avium-intracellulare complex (DMAC)
› MAC sepsis
A31.8Other mycobacterial infections
A31.9Mycobacterial infection, unspecified
› Atypical mycobacterial infection NOS
› Mycobacteriosis NOS
A32Listeriosis
Includes: listerial foodborne infection
Excludes 1: neonatal (disseminated) listeriosis (P37.2)
A32.0Cutaneous listeriosis
A32.1Listerial meningitis and meningoencephalitis
A32.11Listerial meningitis
A32.12Listerial meningoencephalitis
A32.7Listerial sepsis
A32.8Other forms of listeriosis
A32.81Oculoglandular listeriosis
A32.82Listerial endocarditis
A32.89Other forms of listeriosis
› Listerial cerebral arteritis
A32.9Listeriosis, unspecified
A33Tetanus neonatorum
A34Obstetrical tetanus
A35Other tetanus
› Tetanus NOS
Excludes 1: obstetrical tetanus (A34)
› tetanus neonatorum (A33)
A36Diphtheria
A36.0Pharyngeal diphtheria
› Diphtheritic membranous angina
› Tonsillar diphtheria
A36.1Nasopharyngeal diphtheria
A36.2Laryngeal diphtheria
› Diphtheritic laryngotracheitis
A36.3Cutaneous diphtheria
Excludes 2: erythrasma (L08.1)
A36.8Other diphtheria
A36.81Diphtheritic cardiomyopathy
› Diphtheritic myocarditis
A36.82Diphtheritic radiculomyelitis
A36.83Diphtheritic polyneuritis
A36.84Diphtheritic tubulo-interstitial nephropathy
A36.85Diphtheritic cystitis
A36.86Diphtheritic conjunctivitis
A36.89Other diphtheritic complications
› Diphtheritic peritonitis
A36.9Diphtheria, unspecified
A37Whooping cough
A37.0Whooping cough due to Bordetella pertussis
A37.00Whooping cough due to Bordetella pertussis without pneumonia
› Paroxysmal cough due to Bordetella pertussis without pneumonia
A37.01Whooping cough due to Bordetella pertussis with pneumonia
› Paroxysmal 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
Includes: scarlatina
Excludes 2: streptococcal sore throat (J02.0)
A38.0Scarlet fever with otitis media
A38.1Scarlet fever with myocarditis
A38.8Scarlet fever with other complications
A38.9Scarlet fever, uncomplicated
› Scarlet fever, NOS
A39Meningococcal infection
A39.0Meningococcal meningitis
A39.1Waterhouse-Friderichsen syndrome
› Meningococcal hemorrhagic adrenalitis
› Meningococcic adrenal 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
› Meningococcal conjunctivitis
A39.9Meningococcal infection, unspecified
› Meningococcal disease NOS
A40Streptococcal sepsis
Code First: , if applicable, postprocedural sepsis (T81.44-)
› sepsis due to central venous catheter (T80.211-)
› streptococcal sepsis during labor (O75.3)
› streptococcal sepsis following abortion or ectopic or molar pregnancy (O03.37, O03.87, O04.87, O07.37, O08.82)
› streptococcal sepsis following immunization (T88.0-)
› streptococcal sepsis following infusion, transfusion or therapeutic injection (T80.22-, T80.29-)
Excludes 1: neonatal (P36.0-P36.1)
› puerperal sepsis (O85)
› sepsis due to Streptococcus, group D (A41.81)
A40.0Sepsis due to streptococcus, group A
A40.1Sepsis due to streptococcus, group B
A40.3Sepsis due to Streptococcus pneumoniae
› Pneumococcal sepsis
A40.8Other streptococcal sepsis
A40.9Streptococcal sepsis, unspecified
A41Other sepsis
Code First: , if applicable, postprocedural sepsis (T81.44-)
› sepsis due to central venous catheter (T80.211-)
› sepsis during labor (O75.3)
› sepsis following abortion, ectopic or molar pregnancy (O03.37, O03.87, O04.87, O07.37, O08.82)
› sepsis following immunization (T88.0-)
› sepsis following infusion, transfusion or therapeutic injection (T80.22-, T80.29-)
Excludes 1: bacteremia NOS (R78.81)
› neonatal (P36.-)
› puerperal sepsis (O85)
› streptococcal sepsis (A40.-)
Excludes 2: sepsis (due to) (in) actinomycotic (A42.7)
› sepsis (due to) (in) anthrax (A22.7)
› sepsis (due to) (in) candidal (B37.7)
› sepsis (due to) (in) Erysipelothrix (A26.7)
› sepsis (due to) (in) extraintestinal yersiniosis (A28.2)
› sepsis (due to) (in) gonococcal (A54.86)
› sepsis (due to) (in) herpesviral (B00.7)
› sepsis (due to) (in) listerial (A32.7)
› sepsis (due to) (in) melioidosis (A24.1)
› sepsis (due to) (in) meningococcal (A39.2-A39.4)
› sepsis (due to) (in) plague (A20.7)
› sepsis (due to) (in) tularemia (A21.7)
› toxic shock syndrome (A48.3)
A41.0Sepsis due to Staphylococcus aureus
A41.01Sepsis due to Methicillin susceptible Staphylococcus aureus
› MSSA sepsis
› Staphylococcus aureus sepsis NOS
A41.02Sepsis due to Methicillin resistant Staphylococcus aureus
A41.1Sepsis due to other specified staphylococcus
› Coagulase negative staphylococcus sepsis
A41.2Sepsis due to unspecified staphylococcus
A41.3Sepsis due to Hemophilus influenzae
A41.4Sepsis due to anaerobes
Excludes 1: gas gangrene (A48.0)
A41.5Sepsis due to other Gram-negative organisms
A41.50Gram-negative sepsis, unspecified
› Gram-negative sepsis NOS
A41.51Sepsis due to Escherichia coli [E. coli]
A41.52Sepsis due to Pseudomonas
› Pseudomonas aeruginosa
A41.53Sepsis due to Serratia
A41.54Sepsis due to Acinetobacter baumannii
A41.59Other Gram-negative sepsis
A41.8Other specified sepsis
A41.81Sepsis due to Enterococcus
A41.89Other specified sepsis
A41.9Sepsis, unspecified organism
› Septicemia NOS
A42Actinomycosis
Excludes 1: actinomycetoma (B47.1)
A42.0Pulmonary actinomycosis
A42.1Abdominal actinomycosis
A42.2Cervicofacial actinomycosis
A42.7Actinomycotic sepsis
A42.8Other forms of actinomycosis
A42.81Actinomycotic meningitis
A42.82Actinomycotic encephalitis
A42.89Other forms of actinomycosis
A42.9Actinomycosis, unspecified
A43Nocardiosis
A43.0Pulmonary nocardiosis
A43.1Cutaneous nocardiosis
A43.8Other forms of nocardiosis
A43.9Nocardiosis, unspecified
A44Bartonellosis
A44.0Systemic bartonellosis
› Oroya fever
A44.1Cutaneous and mucocutaneous bartonellosis
› Verruga peruana
A44.8Other forms of bartonellosis
A44.9Bartonellosis, unspecified
A46Erysipelas
Excludes 1: postpartum or puerperal erysipelas (O86.89)
A48Other bacterial diseases, not elsewhere classified
Excludes 1: actinomycetoma (B47.1)
A48.0Gas gangrene
› Clostridial cellulitis
› Clostridial myonecrosis
A48.1Legionnaires' disease
A48.2Nonpneumonic Legionnaires' disease [Pontiac fever]
A48.3Toxic shock syndrome
Use Additional Code: code to identify the organism (B95, B96)
Excludes 1: endotoxic shock NOS (R57.8)
› sepsis NOS (A41.9)
A48.4Brazilian purpuric fever
› Systemic Hemophilus aegyptius infection
A48.5Other specified botulism
› Non-foodborne intoxication due to toxins of Clostridium botulinum [C. botulinum]
Excludes 1: food poisoning due to toxins of Clostridium botulinum (A05.1)
A48.51Infant botulism
A48.52Wound botulism
› Non-foodborne botulism NOS
Use Additional Code: code for associated wound
A48.8Other specified bacterial diseases
A49Bacterial infection of unspecified site
Excludes 1: bacterial agents as the cause of diseases classified elsewhere (B95-B96)
› chlamydial infection NOS (A74.9)
› meningococcal infection NOS (A39.9)
› rickettsial infection NOS (A79.9)
› spirochetal infection NOS (A69.9)
A49.0Staphylococcal infection, unspecified site
A49.01Methicillin susceptible Staphylococcus aureus infection, unspecified site
› Methicillin susceptible Staphylococcus aureus (MSSA) infection
› Staphylococcus aureus infection NOS
A49.02Methicillin resistant Staphylococcus aureus infection, unspecified site
› Methicillin resistant Staphylococcus aureus (MRSA) infection
A49.1Streptococcal infection, unspecified site
A49.2Hemophilus influenzae infection, unspecified site
A49.3Mycoplasma infection, unspecified site
A49.8Other bacterial infections of unspecified site
A49.9Bacterial infection, unspecified
Excludes 1: bacteremia NOS (R78.81)