2024 ICD-10-CM Diagnosis Code B99.9

Unspecified infectious disease

  • B99.9 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 B99.9 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of B99.9 – other international versions of ICD-10 B99.9 may differ.

The following code(s) above B99.9 contain annotation back-references

 that may be applicable to B99.9:

  • A00-B99  Certain infectious and parasitic diseases

Approximate Synonyms

  • Beta lactam resistant bacterial infection
  • Bilateral acoustic neuritis in infectious disease
  • Biventricular aicd (implanted device) infection
  • Biventricular pacemaker, infection
  • Both sides acoustic neuritis due to infectious disease
  • Cardiovascular device infection
  • Immunosuppression-related infectious disease
  • Implanted defibrillator generator infection
  • Infected pacemaker
  • Infection and inflammatory reaction due to cardiac valve prosthesis
  • Infection associated with biventricular automatic implantable cardioverter defibrillator
  • Infection associated with cardiac device
  • Infection due to aminoglycoside resistant bacteria
  • Infection due to esbl bacteria
  • Infection due to multiple drug resistant microorganisms
  • Infection due to mycobacteria resistant to multiple antimycobacterial agents
  • Infection due to quinolone and fluoroquinolone resistant bacteria
  • Infection due to resistant organism
  • Infection due to sulfonamide resistant bacteria
  • Infection due to tetracycline resistant bacteria
  • Infection of biventricular cardiac pacemaker
  • Infection of cardiac device, initial episode
  • Infection of cardiac graft
  • Infection of cardiac graft, initial episode
  • Infection of coronary artery bypass graft
  • Infection of implanted cardioverter defibrillator
  • Infection of implanted defibrillator generator
  • Infection of pacemaker
  • Infection of prosthetic valve
  • Infection resistant to beta lactam antibiotics
  • Infection resistant to extended spectrum beta lactam antibiotics
  • Infection resistant to multiple antibiotics
  • Infection resistant to penicillin
  • Infection with bacteria resistant to beta-lactam drug
  • Infection with microorganisms resistant to aminoglycoside drugs
  • Infection with microorganisms resistant to cephalosporins and other beta lactams
  • Infection with microorganisms resistant to drugs
  • Infection with microorganisms resistant to quinolone drugs
  • Infection with microorganisms resistant to sulfonamide drugs
  • Infection with microorganisms resistant to tetracycline drugs
  • Infection, immunosuppression related
  • Infectious granuloma
  • Infective myocarditis
  • Left acoustic neuritis due to infectious disease
  • Left acoustic neuritis in infectious disease
  • Myocarditis due to infectious agent
  • Neonatal infection
  • Neonatal infectious disorder
  • Neonatal infective mastitis
  • Neonatal skin infection
  • Neonatal urinary tract infection
  • Oral (mouth) infection
  • Oral infection
  • Right acoustic neuritis due to infectious disease
  • Right acoustic neuritis in infectious disease

ICD-10-CM B99.9 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 867 Other infectious and parasitic diseases diagnoses with mcc
  • 868 Other infectious and parasitic diseases diagnoses with cc
  • 869 Other infectious and parasitic diseases diagnoses without cc/mcc

Convert B99.9 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 B99.9: