1. ICD-10-CM Codes
›
2. A00-B99
›
3. A30-A49
›
4. A48-
›
5. 2023 ICD-10-CM Diagnosis Code A48.1

2023 ICD-10-CM Diagnosis Code A48.1

Legionnaires' disease

2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

• A48.1 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 A48.1 became effective on October 1, 2022.
• This is the American ICD-10-CM version of A48.1 - other international versions of ICD-10 A48.1 may differ.

• Legionnaire's disease
• Legionnaires disease

• An acute, sometimes fatal, pneumonia-like bacterial infection characterized by high fever, malaise, muscle aches, respiratory disorders and headache. It is named for an outbreak at the 1976 philadelphia convention of the american legion.
• Legionnaires' disease is a type of pneumonia caused by bacteria. You usually get it by breathing in mist from water that contains the bacteria. The mist may come from hot tubs, showers or air-conditioning units for large buildings. The bacteria don't spread from person to person.symptoms of legionnaires' disease include fever, chills, a cough and sometimes muscle aches and headaches. Other types of pneumonia have similar symptoms. You will probably need a chest x-ray to diagnose the pneumonia. Lab tests can detect the specific bacteria that cause legionnaires' disease. The bacteria are more likely to make you sick if you
  • are older than 65
  • smoke
  • have a lung disease
  • have a weak immune system
  legionnaires' disease is serious and can be life-threatening. However, most people recover with antibiotic treatment. Centers for Disease Control and Prevention.

• 177 Respiratory infections and inflammations with mcc
• 178 Respiratory infections and inflammations with cc
• 179 Respiratory infections and inflammations without cc/mcc
• 791 Prematurity with major problems
• 793 Full term neonate with major problems
• 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 A48.1 to ICD-9-CM

• 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

• Type 1 Excludes: J15
  ICD-10-CM Diagnosis Code J15

  Bacterial pneumonia, not elsewhere classified

  2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code

  Code First

  • associated influenza, if applicable (J09.X1, J10.0-, J11.0-)

  Code Also

  • associated abscess, if applicable (J85.1)

  Includes

  • bronchopneumonia due to bacteria other than S. pneumoniae and H. influenzae

  Type 1 Excludes

  • chlamydial pneumonia (J16.0)
  • congenital pneumonia (P23.-)
  • Legionnaires' disease (A48.1)
  • spirochetal pneumonia (A69.8)

• Disease, diseased - see also Syndrome
  • legionnaires' A48.1
• Infection, infected, infective (opportunistic) B99.9
  ICD-10-CM Diagnosis Code B99.9

  Unspecified infectious disease

  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • Legionella pneumophila A48.1
• Legionellosis A48.1
• Legionnaires'
  • disease A48.1
  • pneumonia A48.1

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