OFFICIAL CODE REFERENCE
ICD-10-CM, with context.
Search US diagnosis codes, browse categories and read the official tabular instructions.
Effective 2026-04-01 through 2026-09-30. 74,719 reportable codes, plus 23,467 category and subcategory headers. A reportable code does not guarantee coverage or payment.
Source files checked: 2026-09-09. Official descriptions are reproduced unchanged from CMS / CDC-NCHS data. Educational interpretation has no assigned expert reviewer yet.
A00 Cholera Header – select a complete code
Official description · FY 2026 – April 1, 2026 release
Official tabular context
Read instructions at every level. Description search does not replace the Alphabetic Index, tabular list or setting-specific guidelines.
Includes
- diseases generally recognized as communicable or transmissible
Use additional code
- code to identify resistance to antimicrobial drugs (Z16.-)
Excludes1
- certain localized infections – see body system-related chapters
Excludes2
- 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)
A00.0 Cholera due to Vibrio cholerae 01, biovar cholerae Reportable code
Official description · FY 2026 – April 1, 2026 release
Official tabular context
Read instructions at every level. Description search does not replace the Alphabetic Index, tabular list or setting-specific guidelines.
Includes
- diseases generally recognized as communicable or transmissible
Use additional code
- code to identify resistance to antimicrobial drugs (Z16.-)
Excludes1
- certain localized infections – see body system-related chapters
Excludes2
- 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)
Inclusion terms
- Classical cholera
A00.1 Cholera due to Vibrio cholerae 01, biovar eltor Reportable code
Official description · FY 2026 – April 1, 2026 release
Official tabular context
Read instructions at every level. Description search does not replace the Alphabetic Index, tabular list or setting-specific guidelines.
Includes
- diseases generally recognized as communicable or transmissible
Use additional code
- code to identify resistance to antimicrobial drugs (Z16.-)
Excludes1
- certain localized infections – see body system-related chapters
Excludes2
- 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)
Inclusion terms
- Cholera eltor
A00.9 Cholera, unspecified Reportable code
Official description · FY 2026 – April 1, 2026 release
Official tabular context
Read instructions at every level. Description search does not replace the Alphabetic Index, tabular list or setting-specific guidelines.
Includes
- diseases generally recognized as communicable or transmissible
Use additional code
- code to identify resistance to antimicrobial drugs (Z16.-)
Excludes1
- certain localized infections – see body system-related chapters
Excludes2
- 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)
A01 Typhoid and paratyphoid fevers Header – select a complete code
Official description · FY 2026 – April 1, 2026 release
Official tabular context
Read instructions at every level. Description search does not replace the Alphabetic Index, tabular list or setting-specific guidelines.
Includes
- diseases generally recognized as communicable or transmissible
Use additional code
- code to identify resistance to antimicrobial drugs (Z16.-)
Excludes1
- certain localized infections – see body system-related chapters
Excludes2
- 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)
A01.0 Typhoid fever Header – select a complete code
Official description · FY 2026 – April 1, 2026 release
Official tabular context
Read instructions at every level. Description search does not replace the Alphabetic Index, tabular list or setting-specific guidelines.
Includes
- diseases generally recognized as communicable or transmissible
Use additional code
- code to identify resistance to antimicrobial drugs (Z16.-)
Excludes1
- certain localized infections – see body system-related chapters
Excludes2
- 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)
Inclusion terms
- Infection due to Salmonella typhi
A01.00 Typhoid fever, unspecified Reportable code
Official description · FY 2026 – April 1, 2026 release
Official tabular context
Read instructions at every level. Description search does not replace the Alphabetic Index, tabular list or setting-specific guidelines.
Includes
- diseases generally recognized as communicable or transmissible
Use additional code
- code to identify resistance to antimicrobial drugs (Z16.-)
Excludes1
- certain localized infections – see body system-related chapters
Excludes2
- 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)
Inclusion terms
- Infection due to Salmonella typhi
A01.01 Typhoid meningitis Reportable code
Official description · FY 2026 – April 1, 2026 release
Official tabular context
Read instructions at every level. Description search does not replace the Alphabetic Index, tabular list or setting-specific guidelines.
Includes
- diseases generally recognized as communicable or transmissible
Use additional code
- code to identify resistance to antimicrobial drugs (Z16.-)
Excludes1
- certain localized infections – see body system-related chapters
Excludes2
- 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)
Inclusion terms
- Infection due to Salmonella typhi
A01.02 Typhoid fever with heart involvement Reportable code
Official description · FY 2026 – April 1, 2026 release
Official tabular context
Read instructions at every level. Description search does not replace the Alphabetic Index, tabular list or setting-specific guidelines.
Includes
- diseases generally recognized as communicable or transmissible
Use additional code
- code to identify resistance to antimicrobial drugs (Z16.-)
Excludes1
- certain localized infections – see body system-related chapters
Excludes2
- 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)
Inclusion terms
- Infection due to Salmonella typhi
Inclusion terms
- Typhoid endocarditis
- Typhoid myocarditis
A01.03 Typhoid pneumonia Reportable code
Official description · FY 2026 – April 1, 2026 release
Official tabular context
Read instructions at every level. Description search does not replace the Alphabetic Index, tabular list or setting-specific guidelines.
Includes
- diseases generally recognized as communicable or transmissible
Use additional code
- code to identify resistance to antimicrobial drugs (Z16.-)
Excludes1
- certain localized infections – see body system-related chapters
Excludes2
- 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)
Inclusion terms
- Infection due to Salmonella typhi
A01.04 Typhoid arthritis Reportable code
Official description · FY 2026 – April 1, 2026 release
Official tabular context
Read instructions at every level. Description search does not replace the Alphabetic Index, tabular list or setting-specific guidelines.
Includes
- diseases generally recognized as communicable or transmissible
Use additional code
- code to identify resistance to antimicrobial drugs (Z16.-)
Excludes1
- certain localized infections – see body system-related chapters
Excludes2
- 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)
Inclusion terms
- Infection due to Salmonella typhi
A01.05 Typhoid osteomyelitis Reportable code
Official description · FY 2026 – April 1, 2026 release
Official tabular context
Read instructions at every level. Description search does not replace the Alphabetic Index, tabular list or setting-specific guidelines.
Includes
- diseases generally recognized as communicable or transmissible
Use additional code
- code to identify resistance to antimicrobial drugs (Z16.-)
Excludes1
- certain localized infections – see body system-related chapters
Excludes2
- 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)
Inclusion terms
- Infection due to Salmonella typhi
A01.09 Typhoid fever with other complications Reportable code
Official description · FY 2026 – April 1, 2026 release
Official tabular context
Read instructions at every level. Description search does not replace the Alphabetic Index, tabular list or setting-specific guidelines.
Includes
- diseases generally recognized as communicable or transmissible
Use additional code
- code to identify resistance to antimicrobial drugs (Z16.-)
Excludes1
- certain localized infections – see body system-related chapters
Excludes2
- 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)
Inclusion terms
- Infection due to Salmonella typhi
A01.1 Paratyphoid fever A Reportable code
Official description · FY 2026 – April 1, 2026 release
Official tabular context
Read instructions at every level. Description search does not replace the Alphabetic Index, tabular list or setting-specific guidelines.
Includes
- diseases generally recognized as communicable or transmissible
Use additional code
- code to identify resistance to antimicrobial drugs (Z16.-)
Excludes1
- certain localized infections – see body system-related chapters
Excludes2
- 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)
A01.2 Paratyphoid fever B Reportable code
Official description · FY 2026 – April 1, 2026 release
Official tabular context
Read instructions at every level. Description search does not replace the Alphabetic Index, tabular list or setting-specific guidelines.
Includes
- diseases generally recognized as communicable or transmissible
Use additional code
- code to identify resistance to antimicrobial drugs (Z16.-)
Excludes1
- certain localized infections – see body system-related chapters
Excludes2
- 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)
A01.3 Paratyphoid fever C Reportable code
Official description · FY 2026 – April 1, 2026 release
Official tabular context
Read instructions at every level. Description search does not replace the Alphabetic Index, tabular list or setting-specific guidelines.
Includes
- diseases generally recognized as communicable or transmissible
Use additional code
- code to identify resistance to antimicrobial drugs (Z16.-)
Excludes1
- certain localized infections – see body system-related chapters
Excludes2
- 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)
A01.4 Paratyphoid fever, unspecified Reportable code
Official description · FY 2026 – April 1, 2026 release
Official tabular context
Read instructions at every level. Description search does not replace the Alphabetic Index, tabular list or setting-specific guidelines.
Includes
- diseases generally recognized as communicable or transmissible
Use additional code
- code to identify resistance to antimicrobial drugs (Z16.-)
Excludes1
- certain localized infections – see body system-related chapters
Excludes2
- 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)
Inclusion terms
- Infection due to Salmonella paratyphi NOS
A02 Other salmonella infections Header – select a complete code
Official description · FY 2026 – April 1, 2026 release
Official tabular context
Read instructions at every level. Description search does not replace the Alphabetic Index, tabular list or setting-specific guidelines.
Includes
- diseases generally recognized as communicable or transmissible
Use additional code
- code to identify resistance to antimicrobial drugs (Z16.-)
Excludes1
- certain localized infections – see body system-related chapters
Excludes2
- 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)
Includes
- infection or foodborne intoxication due to any Salmonella species other than S. typhi and S. paratyphi
A02.0 Salmonella enteritis Reportable code
Official description · FY 2026 – April 1, 2026 release
Official tabular context
Read instructions at every level. Description search does not replace the Alphabetic Index, tabular list or setting-specific guidelines.
Includes
- diseases generally recognized as communicable or transmissible
Use additional code
- code to identify resistance to antimicrobial drugs (Z16.-)
Excludes1
- certain localized infections – see body system-related chapters
Excludes2
- 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)
Includes
- infection or foodborne intoxication due to any Salmonella species other than S. typhi and S. paratyphi
Inclusion terms
- Salmonellosis
A02.1 Salmonella sepsis Reportable code
Official description · FY 2026 – April 1, 2026 release
Official tabular context
Read instructions at every level. Description search does not replace the Alphabetic Index, tabular list or setting-specific guidelines.
Includes
- diseases generally recognized as communicable or transmissible
Use additional code
- code to identify resistance to antimicrobial drugs (Z16.-)
Excludes1
- certain localized infections – see body system-related chapters
Excludes2
- 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)
Includes
- infection or foodborne intoxication due to any Salmonella species other than S. typhi and S. paratyphi
Use the complete official references
Choose the release for the applicable service or discharge date and setting. Use the official Alphabetic Index, then verify the complete code and all instructions in the tabular list. This reference supports study; it does not infer a diagnosis or assign a code to a real patient.
- CDC / NCHS releases and previous versions ↗
- Official April 2026 tables and Alphabetic Index ↗
- FY 2026 official coding guidelines ↗
Original source material is available free from CDC / CMS. No agency endorsement is implied. ICD-10-PCS is a separate inpatient procedure system. CPT is proprietary and is not included.
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