ICD-10-CM Z77: Other contact with and (suspected) exposures hazardous to health

ICD-10-CM Diagnosis Code (2025)

Official Description for Z77

Other contact with and (suspected) exposures hazardous to health

Coding Notes & Guidelines for Z77

Includes Notes

contact with and (suspected) exposures to potential hazards to health

Excludes1: Not Coded Here

retained depleted uranium fragments (Z18.01)

Excludes1: Not Coded Here
  • nicotine dependence (F17.-)
  • tobacco use (Z72.0)
Excludes2: Not Included Here
  • 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)
Excludes2: Not Included Here
  • radiation exposure as the cause of a confirmed condition (W88-W90, X39.0-)
  • radiation sickness NOS (T66)
Excludes2: Not Included Here

occupational exposure to environmental tobacco smoke (Z57.31)

Inclusion Terms
  • Contact with and (suspected) exposure to chromium compounds
  • Contact with and (suspected) exposure to nickel dust
Inclusion Terms
  • Aromatic dyes NOS
  • Polycyclic aromatic hydrocarbons
Inclusion Terms

Dyes NOS

Inclusion Terms
  • Contact with and (suspected) exposure to (harmful) algae bloom NOS
  • Contact with and (suspected) exposure to blue-green algae bloom
  • Contact with and (suspected) exposure to brown tide
  • Contact with and (suspected) exposure to cyanobacteria bloom
  • Contact with and (suspected) exposure to Florida red tide
  • Contact with and (suspected) exposure to pfiesteria piscicida
  • Contact with and (suspected) exposure to red tide
Inclusion Terms
  • Exposure to second hand tobacco smoke (acute) (chronic)
  • Passive smoking (acute) (chronic)

Child Codes (More Specific Codes for Z77):

Z77.0 - Contact with and (suspected) exposure to hazardous, chiefly nonmedicinal, chemicals Z77.01 - Contact with and (suspected) exposure to hazardous metals Z77.010 - Contact with and (suspected) exposure to arsenic Z77.011 - Contact with and (suspected) exposure to lead Z77.012 - Contact with and (suspected) exposure to uranium Z77.018 - Contact with and (suspected) exposure to other hazardous metals Z77.02 - Contact with and (suspected) exposure to hazardous aromatic compounds Z77.020 - Contact with and (suspected) exposure to aromatic amines Z77.021 - Contact with and (suspected) exposure to benzene Z77.028 - Contact with and (suspected) exposure to other hazardous aromatic compounds Z77.09 - Contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicals Z77.090 - Contact with and (suspected) exposure to asbestos Z77.098 - Contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicals Z77.1 - Contact with and (suspected) exposure to environmental pollution and hazards in the physical environment Z77.11 - Contact with and (suspected) exposure to environmental pollution Z77.110 - Contact with and (suspected) exposure to air pollution Z77.111 - Contact with and (suspected) exposure to water pollution Z77.112 - Contact with and (suspected) exposure to soil pollution Z77.118 - Contact with and (suspected) exposure to other environmental pollution Z77.12 - Contact with and (suspected) exposure to hazards in the physical environment Z77.120 - Contact with and (suspected) exposure to mold (toxic) Z77.121 - Contact with and (suspected) exposure to harmful algae and algae toxins Z77.122 - Contact with and (suspected) exposure to noise Z77.123 - Contact with and (suspected) exposure to radon and other naturally occurring radiation Z77.128 - Contact with and (suspected) exposure to other hazards in the physical environment Z77.2 - Contact with and (suspected) exposure to other hazardous substances Z77.21 - Contact with and (suspected) exposure to potentially hazardous body fluids Z77.22 - Contact with and (suspected) exposure to environmental tobacco smoke (acute) (chronic) Z77.29 - Contact with and (suspected) exposure to other hazardous substances Z77.9 - Other contact with and (suspected) exposures hazardous to health

About ICD-10-CM Code Z77 (Other contact with and)

ICD-10-CM code Z77 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM Z77 became effective on October 1, 2024.

This page provides detailed information about Z77 - Other contact with and (suspected) exposures hazardous to health. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Other contact with and.