About Section A30-A49

Section A30-A49 covers Other bacterial diseases within Chapter 1 of the ICD-10-CM Tabular List. This section includes diagnosis codes ranging from A30 to A49. Each code below includes its description, billable status, and links to detailed coding guidelines.
Diagnosis Codes 144 entries
A30Leprosy [Hansen's disease]Non-Billable›A30.0Indeterminate leprosyBillable›A30.1Tuberculoid leprosyBillable›A30.2Borderline tuberculoid leprosyBillable›A30.3Borderline leprosyBillable›A30.4Borderline lepromatous leprosyBillable›A30.5Lepromatous leprosyBillable›A30.8Other forms of leprosyBillable›A30.9Leprosy, unspecifiedBillable›A31Infection due to other mycobacteriaNon-Billable›A31.0Pulmonary mycobacterial infectionBillable›A31.1Cutaneous mycobacterial infectionBillable›A31.2Disseminated mycobacterium avium-intracellulare complex (DMAC)Billable›A31.8Other mycobacterial infectionsBillable›A31.9Mycobacterial infection, unspecifiedBillable›A32ListeriosisNon-Billable›A32.0Cutaneous listeriosisBillable›A32.1Listerial meningitis and meningoencephalitisNon-Billable›A32.11Listerial meningitisBillable›A32.12Listerial meningoencephalitisBillable›A32.7Listerial sepsisBillable›A32.8Other forms of listeriosisNon-Billable›A32.81Oculoglandular listeriosisBillable›A32.82Listerial endocarditisBillable›A32.89Other forms of listeriosisBillable›A32.9Listeriosis, unspecifiedBillable›A33Tetanus neonatorumBillable›A34Obstetrical tetanusBillable›A35Other tetanusBillable›A36DiphtheriaNon-Billable›A36.0Pharyngeal diphtheriaBillable›A36.1Nasopharyngeal diphtheriaBillable›A36.2Laryngeal diphtheriaBillable›A36.3Cutaneous diphtheriaBillable›A36.8Other diphtheriaNon-Billable›A36.81Diphtheritic cardiomyopathyBillable›A36.82Diphtheritic radiculomyelitisBillable›A36.83Diphtheritic polyneuritisBillable›A36.84Diphtheritic tubulo-interstitial nephropathyBillable›A36.85Diphtheritic cystitisBillable›A36.86Diphtheritic conjunctivitisBillable›A36.89Other diphtheritic complicationsBillable›A36.9Diphtheria, unspecifiedBillable›A37Whooping coughNon-Billable›A37.0Whooping cough due to Bordetella pertussisNon-Billable›A37.00Whooping cough due to Bordetella pertussis without pneumoniaBillable›A37.01Whooping cough due to Bordetella pertussis with pneumoniaBillable›A37.1Whooping cough due to Bordetella parapertussisNon-Billable›A37.10Whooping cough due to Bordetella parapertussis without pneumoniaBillable›A37.11Whooping cough due to Bordetella parapertussis with pneumoniaBillable›A37.8Whooping cough due to other Bordetella speciesNon-Billable›A37.80Whooping cough due to other Bordetella species without pneumoniaBillable›A37.81Whooping cough due to other Bordetella species with pneumoniaBillable›A37.9Whooping cough, unspecified speciesNon-Billable›A37.90Whooping cough, unspecified species without pneumoniaBillable›A37.91Whooping cough, unspecified species with pneumoniaBillable›A38Scarlet feverNon-Billable›A38.0Scarlet fever with otitis mediaBillable›A38.1Scarlet fever with myocarditisBillable›A38.8Scarlet fever with other complicationsBillable›A38.9Scarlet fever, uncomplicatedBillable›A39Meningococcal infectionNon-Billable›A39.0Meningococcal meningitisBillable›A39.1Waterhouse-Friderichsen syndromeBillable›A39.2Acute meningococcemiaBillable›A39.3Chronic meningococcemiaBillable›A39.4Meningococcemia, unspecifiedBillable›A39.5Meningococcal heart diseaseNon-Billable›A39.50Meningococcal carditis, unspecifiedBillable›A39.51Meningococcal endocarditisBillable›A39.52Meningococcal myocarditisBillable›A39.53Meningococcal pericarditisBillable›A39.8Other meningococcal infectionsNon-Billable›A39.81Meningococcal encephalitisBillable›A39.82Meningococcal retrobulbar neuritisBillable›A39.83Meningococcal arthritisBillable›A39.84Postmeningococcal arthritisBillable›A39.89Other meningococcal infectionsBillable›A39.9Meningococcal infection, unspecifiedBillable›A40Streptococcal sepsisNon-Billable›A40.0Sepsis due to streptococcus, group ABillable›A40.1Sepsis due to streptococcus, group BBillable›A40.3Sepsis due to Streptococcus pneumoniaeBillable›A40.8Other streptococcal sepsisBillable›A40.9Streptococcal sepsis, unspecifiedBillable›A41Other sepsisNon-Billable›A41.0Sepsis due to Staphylococcus aureusNon-Billable›A41.01Sepsis due to Methicillin susceptible Staphylococcus aureusBillable›A41.02Sepsis due to Methicillin resistant Staphylococcus aureusBillable›A41.1Sepsis due to other specified staphylococcusBillable›A41.2Sepsis due to unspecified staphylococcusBillable›A41.3Sepsis due to Hemophilus influenzaeBillable›A41.4Sepsis due to anaerobesBillable›A41.5Sepsis due to other Gram-negative organismsNon-Billable›A41.50Gram-negative sepsis, unspecifiedBillable›A41.51Sepsis due to Escherichia coli [E. coli]Billable›A41.52Sepsis due to PseudomonasBillable›A41.53Sepsis due to SerratiaBillable›A41.54Sepsis due to Acinetobacter baumanniiBillable›A41.59Other Gram-negative sepsisBillable›A41.8Other specified sepsisNon-Billable›A41.81Sepsis due to EnterococcusBillable›A41.89Other specified sepsisBillable›A41.9Sepsis, unspecified organismBillable›A42ActinomycosisNon-Billable›A42.0Pulmonary actinomycosisBillable›A42.1Abdominal actinomycosisBillable›A42.2Cervicofacial actinomycosisBillable›A42.7Actinomycotic sepsisBillable›A42.8Other forms of actinomycosisNon-Billable›A42.81Actinomycotic meningitisBillable›A42.82Actinomycotic encephalitisBillable›A42.89Other forms of actinomycosisBillable›A42.9Actinomycosis, unspecifiedBillable›A43NocardiosisNon-Billable›A43.0Pulmonary nocardiosisBillable›A43.1Cutaneous nocardiosisBillable›A43.8Other forms of nocardiosisBillable›A43.9Nocardiosis, unspecifiedBillable›A44BartonellosisNon-Billable›A44.0Systemic bartonellosisBillable›A44.1Cutaneous and mucocutaneous bartonellosisBillable›A44.8Other forms of bartonellosisBillable›A44.9Bartonellosis, unspecifiedBillable›A46ErysipelasBillable›A48Other bacterial diseases, not elsewhere classifiedNon-Billable›A48.0Gas gangreneBillable›A48.1Legionnaires' diseaseBillable›A48.2Nonpneumonic Legionnaires' disease [Pontiac fever]Billable›A48.3Toxic shock syndromeBillable›A48.4Brazilian purpuric feverBillable›A48.5Other specified botulismNon-Billable›A48.51Infant botulismBillable›A48.52Wound botulismBillable›A48.8Other specified bacterial diseasesBillable›A49Bacterial infection of unspecified siteNon-Billable›A49.0Staphylococcal infection, unspecified siteNon-Billable›A49.01Methicillin susceptible Staphylococcus aureus infection, unspecified siteBillable›A49.02Methicillin resistant Staphylococcus aureus infection, unspecified siteBillable›A49.1Streptococcal infection, unspecified siteBillable›A49.2Hemophilus influenzae infection, unspecified siteBillable›A49.3Mycoplasma infection, unspecified siteBillable›A49.8Other bacterial infections of unspecified siteBillable›A49.9Bacterial infection, unspecifiedBillable›