ICD-10 Diagnosis Code Z20.818

Contact w and exposure to oth bact communicable diseases

Diagnosis Code Z20.818

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
This is the 2017 version of the ICD-10-CM diagnosis code Z20.818

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

Information for Medical Professionals

Code Edits
The following edits are applicable to this code:
Unacceptable principal diagnosis Additional informationCallout TooltipUnacceptable 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.

Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • 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 Legionella
  • Exposure to Salmonella
  • Exposure to streptococcal pharyngitis
  • Exposure to Streptococcus
  • Exposure to Vibrio cholerae
  • Risk of exposure to Leptospira

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