2024 ICD-10-CM Diagnosis Code A18.84

Tuberculosis of heart

  • A18.84 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2024 edition of ICD-10-CM A18.84 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of A18.84 – other international versions of ICD-10 A18.84 may differ.

Applicable To

  • Tuberculous cardiomyopathy
  • Tuberculous endocarditis
  • Tuberculous myocarditis
  • Tuberculous pericarditis

The following code(s) above A18.84 contain annotation back-references

 that may be applicable to A18.84:

  • A00-B99  Certain infectious and parasitic diseases
  • A15-A19  Tuberculosis

Approximate Synonyms

  • Tuberculosis (tb) of heart

Clinical Information

  • Inflammation of the sac surrounding the heart (pericardium) due to mycobacterium tuberculosis infection. Pericarditis can lead to swelling (pericardial effusion), compression of the heart (cardiac tamponade), and preventing normal beating of the heart.

ICD-10-CM A18.84 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 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 A18.84 to ICD-9-CMCode 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
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
  • 2024 (effective 10/1/2023): No change

Code annotations containing back-references to A18.84:

Diagnosis Index entries containing back-references to A18.84:

  • Adhesions, adhesive (postinfective) K66.0
  • Cardiomyopathy (familial) (idiopathic) I42.9
    • tuberculous A18.84
  • Myocarditis (with arteriosclerosis)(chronic)(fibroid) (interstitial) (old) (progressive) (senile) I51.4
    • tuberculous A18.84
  • Pericarditis (with decompensation) (with effusion) I31.9
    • fibrinocaseous A18.84 (tuberculous)
    • tuberculous A18.84
  • Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) A15.9
    • endocarditis A18.84
      • aortic A18.84
      • mitral A18.84
      • pulmonary A18.84
      • tricuspid A18.84
    • adherent pericardium A18.84
    • cardiomyopathy A18.84
    • heart A18.84
    • myocardium, myocarditis A18.84
    • pericardium, pericarditis A18.84