2024 ICD-10-CM Diagnosis Code A18.81

by

Tuberculosis of thyroid gland

  • A18.81 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 A18.81 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of A18.81 – other international versions of ICD-10 A18.81 may differ.

The following code(s) above A18.81 contain annotation back-references

 that may be applicable to A18.81:

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

Approximate Synonyms

  • Tuberculosis (tb) thyroid gland

ICD-10-CM A18.81 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 643 Endocrine disorders with mcc
  • 644 Endocrine disorders with cc
  • 645 Endocrine disorders 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 A18.81 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 A18.81:

  • Type 1 Excludes: E35

Diagnosis Index entries containing back-references to A18.81:

  • ThyroiditisE06.9
    • tuberculous A18.81
  • Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) A15.9
    • thyroid gland A18.81