A30-A49
Other bacterial diseases
Codes in this block
144 codes
Billableusable codeNon-billableheader / grouping codeRisk-adjusting
- 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
Official Guidelines for A30-A49
FY 2026 ›I.C.1Chapter-specific guidanceChapter 1: Certain Infectious and Parasitic Diseases (A00-B99), U07.1, U09.9
Subsections
- I.C.1.aHuman Immunodeficiency Virus (HIV) Infections
- I.C.1.bInfectious agents as the cause of diseases classified to other chapters
- I.C.1.cInfections resistant to antibiotics
- I.C.1.dSepsis, Severe Sepsis, and Septic Shock Infections resistant to antibiotics
- I.C.1.eMethicillin Resistant Staphylococcus aureus (MRSA) Conditions
- I.C.1.fZika virus infections
- I.C.1.gCoronavirus infections
Sections that reference codes in A30-A49