2019 ICD-10-CM Diagnosis Code A17.9

Tuberculosis of nervous system, unspecified

    2016 2017 2018 2019 Billable/Specific Code
  • A17.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2019 edition of ICD-10-CM A17.9 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of A17.9 - other international versions of ICD-10 A17.9 may differ.
The following code(s) above A17.9 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 A17.9:
  • A00-B99
    2019 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
  • A15-A19
    2019 ICD-10-CM Range A15-A19

    Tuberculosis

    Includes
    • infections due to Mycobacterium tuberculosis and Mycobacterium bovis
    Type 1 Excludes
    • congenital tuberculosis (P37.0)
    • nonspecific reaction to test for tuberculosis without active tuberculosis (R76.1-)
    • pneumoconiosis associated with tuberculosis, any type in A15 (J65)
    • positive PPD (R76.11)
    • positive tuberculin skin test without active tuberculosis (R76.11)
    • sequelae of tuberculosis (B90.-)
    • silicotuberculosis (J65)
    Tuberculosis
Approximate Synonyms
  • Tuberculosis (tb) of the central nervous system
  • Tuberculosis of central nervous system
ICD-10-CM A17.9 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):
  • 867 Other infectious and parasitic diseases diagnoses with mcc
  • 868 Other infectious and parasitic diseases diagnoses with cc
  • 869 Other infectious and parasitic diseases diagnoses without cc/mcc
  • 974 Hiv with major related condition with mcc
  • 975 Hiv with major related condition with cc
  • 976 Hiv with major related condition without cc/mcc

Convert A17.9 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change

Diagnosis Index entries containing back-references to A17.9:
  • Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) A15.9
    ICD-10-CM Diagnosis Code A15.9

    Respiratory tuberculosis unspecified

      2016 2017 2018 2019 Billable/Specific Code
    • nervous system A17.9

ICD-10-CM Codes Adjacent To A17.9
A15.8 Other respiratory tuberculosis
A15.9 Respiratory tuberculosis unspecified
A17 Tuberculosis of nervous system
A17.0 Tuberculous meningitis
A17.1 Meningeal tuberculoma
A17.8 Other tuberculosis of nervous system
A17.81 Tuberculoma of brain and spinal cord
A17.82 Tuberculous meningoencephalitis
A17.83 Tuberculous neuritis
A17.89 Other tuberculosis of nervous system
A17.9 Tuberculosis of nervous system, unspecified
A18 Tuberculosis of other organs
A18.0 Tuberculosis of bones and joints
A18.01 Tuberculosis of spine
A18.02 Tuberculous arthritis of other joints
A18.03 Tuberculosis of other bones
A18.09 Other musculoskeletal tuberculosis
A18.1 Tuberculosis of genitourinary system
A18.10 …… unspecified
A18.11 Tuberculosis of kidney and ureter
A18.12 Tuberculosis of bladder

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