2024 ICD-10-CM Diagnosis Code A40.9

Streptococcal sepsis, unspecified

  • A40.9 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 A40.9 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of A40.9 – other international versions of ICD-10 A40.9 may differ.

The following code(s) above A40.9 contain annotation back-references

 that may be applicable to A40.9:

  • A00-B99  Certain infectious and parasitic diseases
  • A40  Streptococcal sepsis

Approximate Synonyms

  • Sepsis without acute organ dysfunction due to streptococcal septicemia
  • Septic shock acute organ dysfunction, streptococcal
  • Septic shock with acute organ dysfunction due to streptococcal septicemia
  • Severe sepsis acute organ dysfunction, streptococcal
  • Severe sepsis with acute organ dysfunction due to streptococcal septicemia
  • Streptococcal septicemia

ICD-10-CM A40.9 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 791 Prematurity with major problems
  • 793 Full term neonate with major problems
  • 870 Septicemia or severe sepsis with mv >96 hours
  • 871 Septicemia or severe sepsis without mv >96 hours with mcc
  • 872 Septicemia or severe sepsis without mv >96 hours 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 A40.9 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 A40.9: