2024 ICD-10-CM Diagnosis Code A19

Miliary tuberculosis

  • A19 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2024 edition of ICD-10-CM A19 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of A19 – other international versions of ICD-10 A19 may differ.

Includes

  • disseminated tuberculosis
  • generalized tuberculosis
  • tuberculous polyserositis

The following code(s) above A19 contain annotation back-references

 that may be applicable to A19:

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

Clinical Information

  • An acute form of tuberculosis in which minute tubercles are formed in a number of organs of the body due to dissemination of the bacilli through the blood stream.
  • I would say the hematogenous widespread dissemination of tuberculosis in the body. The term derives from the chest x-ray image of the tiny (1-5 mm) tuberculosis lesions which are seen through out the lung parenchyma.

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
  • 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