ICD-10-CM Book 2024 Edition

Chapters  /  Chapter 1  /  A30-A49

Other bacterial diseases (A30-A49)

A30 Leprosy [Hansen's disease]
Includes infection due to Mycobacterium leprae
Excludes1 sequelae of leprosy (B92)
A30.0 Indeterminate leprosy
I leprosy
A30.1 Tuberculoid leprosy
TT leprosy
A30.2 Borderline tuberculoid leprosy
BT leprosy
A30.3 Borderline leprosy
BB leprosy
A30.4 Borderline lepromatous leprosy
BL leprosy
A30.5 Lepromatous leprosy
LL leprosy
A30.8 Other forms of leprosy
A30.9 Leprosy, unspecified
A31 Infection due to other mycobacteria
Excludes2 leprosy (A30.-)
tuberculosis (A15-A19)
A31.0 Pulmonary mycobacterial infection
Infection due to Mycobacterium avium
Infection due to Mycobacterium intracellulare [Battey bacillus]
Infection due to Mycobacterium kansasii
A31.1 Cutaneous mycobacterial infection
Buruli ulcer
Infection due to Mycobacterium marinum
Infection due to Mycobacterium ulcerans
A31.2 Disseminated mycobacterium avium-intracellulare complex (DMAC)
MAC sepsis
A31.8 Other mycobacterial infections
A31.9 Mycobacterial infection, unspecified
Atypical mycobacterial infection NOS
Mycobacteriosis NOS
A32 Listeriosis
Includes listerial foodborne infection
Excludes1 neonatal (disseminated) listeriosis (P37.2)
A32.0 Cutaneous listeriosis
A32.1 Listerial meningitis and meningoencephalitis
A32.11 Listerial meningitis
A32.12 Listerial meningoencephalitis
A32.7 Listerial sepsis
A32.8 Other forms of listeriosis
A32.81 Oculoglandular listeriosis
A32.82 Listerial endocarditis
A32.89 Other forms of listeriosis
Listerial cerebral arteritis
A32.9 Listeriosis, unspecified
A33 Tetanus neonatorum
age Newborn: 0
A34 Obstetrical tetanus
sex Female
age Maternity: [12-55]
A35 Other tetanus
Tetanus NOS
Excludes1 obstetrical tetanus (A34)
tetanus neonatorum (A33)
A36 Diphtheria
A36.0 Pharyngeal diphtheria
Diphtheritic membranous angina
Tonsillar diphtheria
A36.1 Nasopharyngeal diphtheria
A36.2 Laryngeal diphtheria
Diphtheritic laryngotracheitis
A36.3 Cutaneous diphtheria
Excludes2 erythrasma (L08.1)
A36.8 Other diphtheria
A36.81 Diphtheritic cardiomyopathy
Diphtheritic myocarditis
A36.82 Diphtheritic radiculomyelitis
A36.83 Diphtheritic polyneuritis
A36.84 Diphtheritic tubulo-interstitial nephropathy
A36.85 Diphtheritic cystitis
A36.86 Diphtheritic conjunctivitis
A36.89 Other diphtheritic complications
Diphtheritic peritonitis
A36.9 Diphtheria, unspecified
A37 Whooping cough
A37.0 Whooping cough due to Bordetella pertussis
A37.00 Whooping cough due to Bordetella pertussis without pneumonia
Paroxysmal cough due to Bordetella pertussis without pneumonia
A37.01 Whooping cough due to Bordetella pertussis with pneumonia
Paroxysmal cough due to Bordetella pertussis with pneumonia
A37.1 Whooping cough due to Bordetella parapertussis
A37.10 Whooping cough due to Bordetella parapertussis without pneumonia
A37.11 Whooping cough due to Bordetella parapertussis with pneumonia
A37.8 Whooping cough due to other Bordetella species
A37.80 Whooping cough due to other Bordetella species without pneumonia
A37.81 Whooping cough due to other Bordetella species with pneumonia
A37.9 Whooping cough, unspecified species
A37.90 Whooping cough, unspecified species without pneumonia
A37.91 Whooping cough, unspecified species with pneumonia
A38 Scarlet fever
Includes scarlatina
Excludes2 streptococcal sore throat (J02.0)
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
Scarlet fever, NOS
A39 Meningococcal infection
A39.0 Meningococcal meningitis
A39.1 Waterhouse-Friderichsen syndrome
Meningococcal hemorrhagic adrenalitis
Meningococcic adrenal syndrome
A39.2 Acute meningococcemia
A39.3 Chronic meningococcemia
A39.4 Meningococcemia, unspecified
A39.5 Meningococcal heart disease
A39.50 Meningococcal carditis, unspecified
A39.51 Meningococcal endocarditis
A39.52 Meningococcal myocarditis
A39.53 Meningococcal pericarditis
A39.8 Other meningococcal infections
A39.81 Meningococcal encephalitis
A39.82 Meningococcal retrobulbar neuritis
A39.83 Meningococcal arthritis
A39.84 Postmeningococcal arthritis
A39.89 Other meningococcal infections
Meningococcal conjunctivitis
A39.9 Meningococcal infection, unspecified
Meningococcal disease NOS
A40 Streptococcal sepsis
CodeFirst , 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-)
Excludes1 neonatal (P36.0-P36.1)
puerperal sepsis (O85)
sepsis due to Streptococcus, group D (A41.81)
A40.0 Sepsis due to streptococcus, group A
A40.1 Sepsis due to streptococcus, group B
A40.3 Sepsis due to Streptococcus pneumoniae
Pneumococcal sepsis
A40.8 Other streptococcal sepsis
A40.9 Streptococcal sepsis, unspecified
A41 Other sepsis
CodeFirst , 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-)
Excludes1 bacteremia NOS (R78.81)
neonatal (P36.-)
puerperal sepsis (O85)
streptococcal sepsis (A40.-)
Excludes2 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)
A41.0 Sepsis due to Staphylococcus aureus
A41.01 Sepsis due to Methicillin susceptible Staphylococcus aureus
MSSA sepsis
Staphylococcus aureus sepsis NOS
A41.02 Sepsis due to Methicillin resistant Staphylococcus aureus
A41.1 Sepsis due to other specified staphylococcus
Coagulase negative staphylococcus sepsis
A41.2 Sepsis due to unspecified staphylococcus
A41.3 Sepsis due to Hemophilus influenzae
A41.4 Sepsis due to anaerobes
Excludes1 gas gangrene (A48.0)
A41.5 Sepsis due to other Gram-negative organisms
A41.50 Gram-negative sepsis, unspecified
Gram-negative sepsis NOS
A41.51 Sepsis due to Escherichia coli [E. coli]
A41.52 Sepsis due to Pseudomonas
Pseudomonas aeruginosa
A41.53 Sepsis due to Serratia
A41.54 Sepsis due to Acinetobacter baumannii
A41.59 Other Gram-negative sepsis
A41.8 Other specified sepsis
A41.81 Sepsis due to Enterococcus
A41.89 Other specified sepsis
A41.9 Sepsis, unspecified organism
Septicemia NOS
A42 Actinomycosis
Excludes1 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
A42.81 Actinomycotic meningitis
A42.82 Actinomycotic encephalitis
A42.89 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
Oroya fever
A44.1 Cutaneous and mucocutaneous bartonellosis
Verruga peruana
A44.8 Other forms of bartonellosis
A44.9 Bartonellosis, unspecified
A46 Erysipelas
Excludes1 postpartum or puerperal erysipelas (O86.89)
A48 Other bacterial diseases, not elsewhere classified
Excludes1 actinomycetoma (B47.1)
A48.0 Gas gangrene
Clostridial cellulitis
Clostridial myonecrosis
A48.1 Legionnaires' disease
A48.2 Nonpneumonic Legionnaires' disease [Pontiac fever]
A48.3 Toxic shock syndrome
UseAdditionalCode code to identify the organism (B95, B96)
Excludes1 endotoxic shock NOS (R57.8)
sepsis NOS (A41.9)
A48.4 Brazilian purpuric fever
Systemic Hemophilus aegyptius infection
A48.5 Other specified botulism
Non-foodborne intoxication due to toxins of Clostridium botulinum [C. botulinum]
Excludes1 food poisoning due to toxins of Clostridium botulinum (A05.1)
A48.51 Infant botulism
age Pediatric: [0-17]
A48.52 Wound botulism
Non-foodborne botulism NOS
UseAdditionalCode code for associated wound
A48.8 Other specified bacterial diseases
A49 Bacterial infection of unspecified site
Excludes1 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)
A49.0 Staphylococcal infection, unspecified site
A49.01 Methicillin susceptible Staphylococcus aureus infection, unspecified site
Methicillin susceptible Staphylococcus aureus (MSSA) infection
Staphylococcus aureus infection NOS
A49.02 Methicillin resistant Staphylococcus aureus infection, unspecified site
Methicillin resistant Staphylococcus aureus (MRSA) infection
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
Excludes1 bacteremia NOS (R78.81)