2024 ICD-10-CM Diagnosis Code A18.2

by

Tuberculous peripheral lymphadenopathy

  • A18.2 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 A18.2 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of A18.2 – other international versions of ICD-10 A18.2 may differ.

Applicable To

  • Tuberculous adenitis

Type 2 Excludes

  • tuberculosis of bronchial and mediastinal lymph nodes (A15.4)
  • tuberculosis of mesenteric and retroperitoneal lymph nodes (A18.39)
  • tuberculous tracheobronchial adenopathy (A15.4)

The following code(s) above A18.2 contain annotation back-references

 that may be applicable to A18.2:

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

Approximate Synonyms

  • Tuberculosis (tb) adenitis
  • Tuberculous adenitis

Clinical Information

  • Infection of the lymph nodes by tuberculosis. Tuberculous infection of the cervical lymph nodes is scrofula.

ICD-10-CM A18.2 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 814 Reticuloendothelial and immunity disorders with mcc
  • 815 Reticuloendothelial and immunity disorders with cc
  • 816 Reticuloendothelial and immunity 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 A18.2 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

Diagnosis Index entries containing back-references to A18.2:

  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) L02.91
    • scrofulous A18.2 (tuberculous)
  • Adenitis – see also Lymphadenitis
    • scrofulous A18.2 (tuberculous)
    • strumous, tuberculous A18.2
  • BuboI88.8
    • scrofulous A18.2 (tuberculous)
  • Caseation lymphatic gland A18.2 (tuberculous)
  • Disease, diseased – see also Syndrome
    • scrofulous A18.2 (tuberculous)
  • LymphangitisI89.1
    • strumous, tuberculous A18.2
  • Scrofula, scrofulosis A18.2 (tuberculosis of cervical lymph glands)
  • Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) A15.9
    • abscess (respiratory) A15.9
      • scrofulous A18.2
    • lymph gland or node (peripheral) A18.2
      • cervical A18.2
    • axilla, axillary A18.2 (gland)
    • cervical A18.2 (lymph gland or node)
    • glandular, general A18.2
    • infraclavicular gland A18.2
    • inguinal gland A18.2
    • inguinalis A18.2
    • neck gland A18.2
    • scrofulous A18.2
    • supraclavicular gland A18.2
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerative
    • scrofulous A18.2 (tuberculous)
    • strumous A18.2 (tuberculous)