ICD-10-CM Code Z20.818

Contact with and (suspected) exposure to other bacterial communicable diseases

Version 2020 Billable Code Unacceptable Principal Diagnosis

Valid for Submission

Z20.818 is a billable code used to specify a medical diagnosis of contact with and (suspected) exposure to other bacterial communicable diseases. The code is valid for the year 2020 for the submission of HIPAA-covered transactions. The ICD-10-CM code Z20.818 might also be used to specify conditions or terms like exposure to anaerobic bacterial vaginosis, exposure to bacterial vaginosis, exposure to bordetella pertussis, exposure to coccidioides immitis, exposure to francisella tularensis, exposure to gardnerella vaginalis, etc

The code Z20.818 describes a circumstance which influences the patient's health status but not a current illness or injury. The code is unacceptable as a principal diagnosis.

ICD-10:Z20.818
Short Description:Contact w and exposure to oth bact communicable diseases
Long Description:Contact with and (suspected) exposure to other bacterial communicable diseases

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code Z20.818 are found in the index:


Code Edits

The Medicare Code Editor (MCE) detects and reports errors in the coding of claims data. The following ICD-10 Code Edits are applicable to this code:

  • Unacceptable principal diagnosis - There are selected codes that describe a circumstance which influences an individual’s health status but not a current illness or injury, or codes that are not specific manifestations but may be due to an underlying cause. These codes are considered unacceptable as a principal diagnosis.

Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

  • Exposure to anaerobic bacterial vaginosis
  • Exposure to bacterial vaginosis
  • Exposure to Bordetella pertussis
  • Exposure to Coccidioides immitis
  • Exposure to Francisella tularensis
  • Exposure to Gardnerella vaginalis
  • Exposure to Haemophilus ducreyi
  • Exposure to Klebsiella granulomatis
  • Exposure to Legionella
  • Exposure to Listeria moncytogenes
  • Exposure to Salmonella
  • Exposure to streptococcal pharyngitis
  • Exposure to Streptococcus
  • Exposure to Vibrio cholerae
  • Risk of exposure to Leptospira

Convert Z20.818 to ICD-9

  • V01.89 - Communic dis contact NEC (Approximate Flag)

Code Classification

  • Factors influencing health status and contact with health services (Z00–Z99)
    • Persons with potential health hazards related to communicable diseases (Z20-Z29)
      • Contact w and exposure to communicable diseases (Z20) (suspected)

Code History

  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
    (First year ICD-10-CM implemented into the HIPAA code set)
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020

Information for Patients


Bacterial Infections

Bacteria are living things that have only one cell. Under a microscope, they look like balls, rods, or spirals. They are so small that a line of 1,000 could fit across a pencil eraser. Most bacteria won't hurt you - less than 1 percent of the different types make people sick. Many are helpful. Some bacteria help to digest food, destroy disease-causing cells, and give the body needed vitamins. Bacteria are also used in making healthy foods like yogurt and cheese.

But infectious bacteria can make you ill. They reproduce quickly in your body. Many give off chemicals called toxins, which can damage tissue and make you sick. Examples of bacteria that cause infections include Streptococcus, Staphylococcus, and E. coli.

Antibiotics are the usual treatment. When you take antibiotics, follow the directions carefully. Each time you take antibiotics, you increase the chances that bacteria in your body will learn to resist them causing antibiotic resistance. Later, you could get or spread an infection that those antibiotics cannot cure.


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