Z77 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Other contact with and (suspected) exposures hazardous to health.
Includes
Contact with and (suspected) exposures to potential hazards to health
Type 2 excludes
Contact with and (suspected) exposure to communicable diseases (Z20.-)
Exposure to (parental) (environmental) tobacco smoke in the perinatal period (P96.81)
Newborn affected by noxious substances transmitted via placenta or breast milk (P04.-)
Occupational exposure to risk factors (Z57.-)
Retained foreign body (Z18.-)
Retained foreign body fully removed (Z87.821)
Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
Codes
Z77.0
Contact with and (suspected) exposure to hazardous, chiefly nonmedicinal, chemicals
Z77.3
Contact with and (suspected) exposure to war theater
Z77.1
Contact with and (suspected) exposure to environmental pollution and hazards in the physical environment
Z77.2
Contact with and (suspected) exposure to other hazardous substances
Z77.9
Other contact with and (suspected) exposures hazardous to health
Versions
2026
No changes
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
Code changed
Type 2 excludes
contact with and (suspected) exposure to communicable diseases (Z20.-)exposure to (parental) (environmental) tobacco smoke in the perinatal period (P96.81)newborn (suspected to be) affected by noxious substances transmitted via placenta or breast milk (P04.-)occupational exposure to risk factors (Z57.-)retained foreign body (Z18.-)retained foreign body fully removed (Z87.821)toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
- contact with and (suspected) exposure to communicable diseases (Z20.-)
- exposure to (parental) (environmental) tobacco smoke in the perinatal period (P96.81)
- newborn affected by noxious substances transmitted via placenta or breast milk (P04.-)
- occupational exposure to risk factors (Z57.-)
- retained foreign body (Z18.-)
- retained foreign body fully removed (Z87.821)
- toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
2016
New code