About Section A20-A28

Section A20-A28 covers Certain zoonotic bacterial diseases within Chapter 1 of the ICD-10-CM Tabular List. This section includes diagnosis codes ranging from A20 to A28. Each code below includes its description, billable status, and links to detailed coding guidelines.

Diagnosis Codes 57 entries

A20PlagueNon-Billable›A20.0Bubonic plagueBillable›A20.1Cellulocutaneous plagueBillable›A20.2Pneumonic plagueBillable›A20.3Plague meningitisBillable›A20.7Septicemic plagueBillable›A20.8Other forms of plagueBillable›A20.9Plague, unspecifiedBillable›A21TularemiaNon-Billable›A21.0Ulceroglandular tularemiaBillable›A21.1Oculoglandular tularemiaBillable›A21.2Pulmonary tularemiaBillable›A21.3Gastrointestinal tularemiaBillable›A21.7Generalized tularemiaBillable›A21.8Other forms of tularemiaBillable›A21.9Tularemia, unspecifiedBillable›A22AnthraxNon-Billable›A22.0Cutaneous anthraxBillable›A22.1Pulmonary anthraxBillable›A22.2Gastrointestinal anthraxBillable›A22.7Anthrax sepsisBillable›A22.8Other forms of anthraxBillable›A22.9Anthrax, unspecifiedBillable›A23BrucellosisNon-Billable›A23.0Brucellosis due to Brucella melitensisBillable›A23.1Brucellosis due to Brucella abortusBillable›A23.2Brucellosis due to Brucella suisBillable›A23.3Brucellosis due to Brucella canisBillable›A23.8Other brucellosisBillable›A23.9Brucellosis, unspecifiedBillable›A24Glanders and melioidosisNon-Billable›A24.0GlandersBillable›A24.1Acute and fulminating melioidosisBillable›A24.2Subacute and chronic melioidosisBillable›A24.3Other melioidosisBillable›A24.9Melioidosis, unspecifiedBillable›A25Rat-bite feversNon-Billable›A25.0SpirillosisBillable›A25.1StreptobacillosisBillable›A25.9Rat-bite fever, unspecifiedBillable›A26ErysipeloidNon-Billable›A26.0Cutaneous erysipeloidBillable›A26.7Erysipelothrix sepsisBillable›A26.8Other forms of erysipeloidBillable›A26.9Erysipeloid, unspecifiedBillable›A27LeptospirosisNon-Billable›A27.0Leptospirosis icterohemorrhagicaBillable›A27.8Other forms of leptospirosisNon-Billable›A27.81Aseptic meningitis in leptospirosisBillable›A27.89Other forms of leptospirosisBillable›A27.9Leptospirosis, unspecifiedBillable›A28Other zoonotic bacterial diseases, not elsewhere classifiedNon-Billable›A28.0PasteurellosisBillable›A28.1Cat-scratch diseaseBillable›A28.2Extraintestinal yersiniosisBillable›A28.8Other specified zoonotic bacterial diseases, not elsewhere classifiedBillable›A28.9Zoonotic bacterial disease, unspecifiedBillable›