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ICD-10/Z20.82

Z20.82 ICD-10-CM Code: Contact with and (suspected) exposure to other viral communicable diseases

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.

Official Registry Overview & Definition

Contact with and (suspected) exposure to other viral communicable diseases is a non-billable ICD-10-CM category code (Z20.82). A more specific billable subcode must be selected for claims submission.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for Z20.82 in the official ICD-10-CM tabular list.

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • carrier of infectious disease (Z22.-)
  • diagnosed current infectious or parasitic disease -see Alphabetic Index

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

  • personal history of infectious and parasitic diseases (Z86.1-)

Frequently Asked Questions (FAQ) & Clinical Guidance

Can Z20.82 be billed directly?

No. Z20.82 (Contact with and (suspected) exposure to other viral communicable diseases) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to Z20.82 in its code family, with their registry titles.

  • Z20.8 — Contact with and (suspected) exposure to other communicable diseases
  • Z20.81 — Contact with and (suspected) exposure to other bacterial communicable diseases
  • Z20.810 — Contact with and (suspected) exposure to anthrax
  • Z20.811 — Contact with and (suspected) exposure to meningococcus
  • Z20.818 — Contact with and (suspected) exposure to other bacterial communicable diseases
  • Z20.820 — Contact with and (suspected) exposure to varicella
  • Z20.821 — Contact with and (suspected) exposure to Zika virus
  • Z20.822 — Contact with and (suspected) exposure to COVID-19
  • Z20.828 — Contact with and (suspected) exposure to other viral communicable diseases
  • Z20.89 — Contact with and (suspected) exposure to other communicable diseases

View all codes in the Z20 family