2017/18 ICD-10-CM Diagnosis Code A21.9

Tularemia, unspecified

The following code(s) above A21.9 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to A21.9:
  • A00-B99
    2018 ICD-10-CM Range A00-B99

    Certain infectious and parasitic diseases

    Includes
    • diseases generally recognized as communicable or transmissible
    Type 1 Excludes
    • certain localized infections - see body system-related chapters
    Type 2 Excludes
    • 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.-)
    Certain infectious and parasitic diseases
  • A21
    ICD-10-CM Diagnosis Code A21

    Tularemia

      2016 2017 2018 Non-Billable/Non-Specific Code
    Includes
    • deer-fly fever
    • infection due to Francisella tularensis
    • rabbit fever
    Tularemia
Approximate Synonyms Clinical Information ICD-10-CM A21.9 is grouped within Diagnostic Related Group(s) (MS-DRG v35.0):

Convert A21.9 to ICD-9-CM

Code History

Diagnosis Index entries containing back-references to A21.9:

ICD-10-CM Codes Adjacent To A21.9
A20.7 Septicemic plague
A20.8 Other forms of plague
A20.9 Plague, unspecified
A21 Tularemia
A21.0 Ulceroglandular tularemia
A21.1 Oculoglandular tularemia
A21.2 Pulmonary tularemia
A21.3 Gastrointestinal tularemia
A21.7 Generalized tularemia
A21.8 Other forms of tularemia
A21.9 Tularemia, unspecified
A22 Anthrax
A22.0 Cutaneous anthrax
A22.1 Pulmonary anthrax
A22.2 Gastrointestinal anthrax
A22.7 Anthrax sepsis
A22.8 Other forms of anthrax
A22.9 Anthrax, unspecified
A23 Brucellosis
A23.0 Brucellosis due to Brucella melitensis
A23.1 Brucellosis due to Brucella abortus

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.