2023

  1. ICD-10-CM Codes
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  2. A00-B99
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  3. A30-A49
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  4. A40-
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  5. 2023 ICD-10-CM Diagnosis Code A40.0

2023 ICD-10-CM Diagnosis Code A40.0

Sepsis due to streptococcus, group A

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • A40.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM A40.0 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of A40.0 - other international versions of ICD-10 A40.0 may differ.
The following code(s) above A40.0 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to A40.0:
  • A00-B99
    2023 ICD-10-CM Range A00-B99

    Certain infectious and parasitic diseases

    Includes
    • diseases generally recognized as communicable or transmissible
    Type 1 Excludes
    • certain localized infections - see body system-related chapters
    Type 2 Excludes
    • carrier or suspected carrier of infectious disease (Z22.-)
    • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
    • infectious and parasitic diseases specific to the perinatal period (P35-P39)
    • influenza and other acute respiratory infections (J00-J22)
    Use Additional
    • code to identify resistance to antimicrobial drugs (Z16.-)
    Certain infectious and parasitic diseases
  • A40
    ICD-10-CM Diagnosis Code A40

    Streptococcal sepsis

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Code First
    • postprocedural streptococcal sepsis (T81.4-)
    • streptococcal sepsis during labor (O75.3)
    • streptococcal sepsis following abortion or ectopic or molar pregnancy (O03-O07, O08.0)
    • streptococcal sepsis following immunization (T88.0)
    • streptococcal sepsis following infusion, transfusion or therapeutic injection (T80.2-)
    Type 1 Excludes
    Streptococcal sepsis
Approximate Synonyms
  • Sepsis due to streptococcus pyogenes
  • Sepsis with septicemia
  • Septic shock with acute organ dysfunction
  • Septic shock with acute organ dysfunction due to group a streptococcus
  • Severe sepsis with acute organ dysfunction
  • Severe sepsis with acute organ dysfunction due to group a streptococcus
ICD-10-CM A40.0 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 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

Convert A40.0 to ICD-9-CM

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
Code annotations containing back-references to A40.0:
  • Code First: N08
    , N16
    ICD-10-CM Diagnosis Code N08

    Glomerular disorders in diseases classified elsewhere

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Manifestation Code
    Applicable To
    • Glomerulonephritis
    • Nephritis
    • Nephropathy
    Code First
    Type 1 Excludes
    • glomerulonephritis, nephritis and nephropathy (in):
    • antiglomerular basement membrane disease (M31.0)
    • diabetes (E08-E13 with .21)
    • gonococcal (A54.21)
    • Goodpasture's syndrome (M31.0)
    • hemolytic-uremic syndrome (D59.3-)
    • lupus (M32.14)
    • mumps (B26.83)
    • syphilis (A52.75)
    • systemic lupus erythematosus (M32.14)
    • Wegener's granulomatosis (M31.31)
    • pyelonephritis in diseases classified elsewhere (N16)
    • renal tubulo-interstitial disorders classified elsewhere (N16)
    ICD-10-CM Diagnosis Code N16

    Renal tubulo-interstitial disorders in diseases classified elsewhere

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Manifestation Code
    Applicable To
    • Pyelonephritis
    • Tubulo-interstitial nephritis
    Code First
    Type 1 Excludes
    • diphtheritic pyelonephritis and tubulo-interstitial nephritis (A36.84)
    • pyelonephritis and tubulo-interstitial nephritis in candidiasis (B37.49)
    • pyelonephritis and tubulo-interstitial nephritis in cystinosis (E72.04)
    • pyelonephritis and tubulo-interstitial nephritis in salmonella infection (A02.25)
    • pyelonephritis and tubulo-interstitial nephritis in sarcoidosis (D86.84)
    • pyelonephritis and tubulo-interstitial nephritis in Sjogren syndrome (M35.04)
    • pyelonephritis and tubulo-interstitial nephritis in systemic lupus erythematosus (M32.15)
    • pyelonephritis and tubulo-interstitial nephritis in toxoplasmosis (B58.83)
    • renal tubular degeneration in diabetes (E08-E13 with .29)
    • syphilitic pyelonephritis and tubulo-interstitial nephritis (A52.75)

Diagnosis Index entries containing back-references to A40.0:
  • Sepsis (generalized) (unspecified organism) A41.9
    ICD-10-CM Diagnosis Code A41.9

    Sepsis, unspecified organism

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Septicemia NOS

ICD-10-CM Codes Adjacent To A40.0
A39.52 Meningococcal myocarditis
A39.53 Meningococcal pericarditis
A39.8 Other meningococcal infections
A39.81 Meningococcal encephalitis
A39.82 Meningococcal retrobulbar neuritis
A39.83 Meningococcal arthritis
A39.84 Postmeningococcal arthritis
A39.89 Other meningococcal infections
A39.9 Meningococcal infection, unspecified
A40 Streptococcal sepsis
A40.0 Sepsis due to streptococcus, group A
A40.1 Sepsis due to streptococcus, group B
A40.3 Sepsis due to Streptococcus pneumoniae
A40.8 Other streptococcal sepsis
A40.9 Streptococcal sepsis, unspecified
A41 Other sepsis
A41.0 Sepsis due to Staphylococcus aureus
A41.01 Sepsis due to Methicillin susceptible Staphylococcus aureus
A41.02 Sepsis due to Methicillin resistant Staphylococcus aureus
A41.1 Sepsis due to other specified staphylococcus
A41.2 Sepsis due to unspecified staphylococcus

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

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