2024 ICD-10-CM Diagnosis Code A18.51

Tuberculous episcleritis

  • A18.51 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 A18.51 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of A18.51 – other international versions of ICD-10 A18.51 may differ.

The following code(s) above A18.51 contain annotation back-references

 that may be applicable to A18.51:

  • A00-B99  Certain infectious and parasitic diseases
  • A15-A19  Tuberculosis
  • A18.5  Tuberculosis of eye

Approximate Synonyms

  • Bilateral tb episcleritis
  • Episcleritis of bilateral eyes caused by mycobacterium tuberculosis
  • Episcleritis of left eye caused by mycobacterium tuberculosis
  • Episcleritis of right eye caused by mycobacterium tuberculosis
  • Left tb episcleritis
  • Right tb episcleritis
  • Tuberculosis (tb) episcleritis

ICD-10-CM A18.51 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 124 Other disorders of the eye with mcc or thrombolytic agent
  • 125 Other disorders of the eye without 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 A18.51 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 A18.51:

  • Episcleritis (suppurative) H15.10-
    • in (due to)
      • tuberculosis A18.51
    • tuberculous A18.51
  • ScleritisH15.00-
    • tuberculous A18.51 (nodular)
  • Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (degeneration) (fibrocaseous) (fistula) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) A15.9
    • episcleritis A18.51
    • sclera A18.51