A22.1
Pulmonary anthrax
Risk-adjusting (HCC)Billable code
HCC risk adjustment mapping
CMS-HCC ESRD V24
HCC115
Pneumococcal Pneumonia, Empyema, Lung Abscess
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
This code · A22.1
Synonyms
Inhalation anthrax Ragpicker's disease Woolsorter's disease
Inherited from A22Anthrax
Includes
infection due to Bacillus anthracis
Inherited from chapter 1Certain infectious and parasitic diseases
Includes
diseases generally recognized as communicable or transmissible
Excludes 1
certain localized infections - see body system-related chapters
Excludes 2
carrier or suspected carrier of infectious disease (Z22.-) infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-) infectious and parasitic diseases specific to the perinatal period (P35-P39) influenza and other acute respiratory infections (J00-J22)
Use additional
code to identify resistance to antimicrobial drugs (Z16.-)
Official Guidelines for A22.1
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
Find A22.1 in the alphabetic index
13 index paths lead to this code
- Ragpicker's disease
- Ragsorter's disease
- Woolsorter's disease
- Anthrax › with pneumonia
- Anthrax › inhalation
- Anthrax › pulmonary
- Anthrax › respiratory
- Disease, diseased › ragpicker's or ragsorter's
- Disease, diseased › woolsorter's
- Inhalation › anthrax
- Pneumonia › anthrax
- Pneumonia › in › anthrax
- Pneumonia › in › Bacillus anthracis