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 A78 

(Q FEVER)

                          Q fever is a disease caused by the bacteria Coxiella burnetii. This bacteria naturally infects some animals, such as goats, sheep, and cattle. C. burnetii bacteria are found in the birth products (i.e. placenta, amniotic fluid), urine, feces, and milk of infected animals.

SYMPTOMS

• High fever, up to 105 F (41 C)
• Severe headache
• Fatigue
• Chills
• Cough
• Nausea
• Vomiting
• Diarrhea
• Sensitivity to light

COMPLICATIONS

• Endocarditis. An inflammation of the membrane inside your heart, endocarditis can severely damage your heart valves. Endocarditis is the most deadly of Q fever's complications.
• Lung issues. Some people who have Q fever develop pneumonia. This can lead to acute respiratory distress, a medical emergency in which you're not getting enough oxygen.
• Pregnancy problems. Chronic Q fever increases the risk of miscarriage, low birth weight, premature birth and stillbirth.
• Liver damage. Some people who have Q fever develop hepatitis, an inflammation of the liver that interferes with its function.
• Meningitis. Q fever can cause meningitis, an inflammation of the membrane surrounding your brain and spinal cord.

Q fever is a disease caused by the bacteria Coxiella burnetii. This bacteria naturally infects some animals, such as goats, sheep, and cattle. C. burnetii bacteria are found in the birth products (i.e. placenta, amniotic fluid), urine, feces, and milk of infected animals. 

• A78 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2021 edition of ICD-10-CM A78 became effective on October 1, 2020.
• This is the American ICD-10-CM version of A78 - other international versions of ICD-10 A78 may differ.

Applicable To

• Infection due to Coxiella burnetii
• Nine Mile fever
• Quadrilateral fever

The following code(s) above A78 contain annotation back-references

 that may be applicable to A78:

• A00-B99 
   Certain infectious and parasitic diseases

Clinical Information

• A bacterial infection caused by coxiella burnetii. It is transmitted to humans by the inhalation of infected air particles or contact with fluids and feces of infected animals. Signs and symptoms include the abrupt onset of fever, headache, myalgias, and weakness.
• Acute infectious disease caused by coxiella burnetii; characterized by a sudden onset of fever,headache, malaise, and weakness; in humans, it is commonly contracted by inhalation of infected dusts derived from infected domestic animals.
• An acute infectious disease caused by coxiella burnetii. It is characterized by a sudden onset of fever; headache; malaise; and weakness. In humans, it is commonly contracted by inhalation of infected dusts derived from infected domestic animals (animals, domestic).

ICD-10-CM A78 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):

• 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 A78 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

Code annotations containing back-references to A78:

• Code First: J17
  , I39

Diagnosis Index entries containing back-references to A78:

• Australian
  • Q fever A78
• Balkan grippe A78
• Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular) I38
  • due to
    • Q fever A78
  • Coxiella burnetii A78
  • Q fever A78
• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) R50.9
  • Australian Q A78
  • Nine-Mile A78
  • Q A78
  • quadrilateral A78
• Grippe, grippal - see also Influenza
  • Balkan A78

• Infection, infected, infective (opportunistic) B99.9
  • Coxiella burnetii A78
  • Q fever A78
• Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved) J18.9
  • in (due to)
    • Q fever A78
• Q fever A78
  • with pneumonia A78
• Quadrilateral fever A78

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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