DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

Z77 Other contact with and (suspected) exposures hazardous to health

  • Header · not billable

Z77 is not billable. The category heads 31 billable codes in FY2027, grouped under 6 subdivisions.

FY2027 changes under Z77: 7 billable codes added. All FY2027 changes.

Index → code

  • Second hand tobacco smoke exposure (acute) (chronic) → Z77.22
  • Passivesmoking → Z77.22
  • Smokingpassive → Z77.22

Where it sits

  1. Chapter 21 Factors influencing health status and contact with health services (Z00-Z99)
  2. Z77-Z99 Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
  3. Z77 Other contact with and (suspected) exposures hazardous to health
Billable codes
31
Subdivisions
6
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
7
Index entries
92

Codes in Z77

  1. Z77.0
    Contact with and (suspected) exposure to hazardous, chiefly nonmedicinal, chemicals
    Header
  2. Z77.01
    Contact with and (suspected) exposure to hazardous metals
    Header
  3. Z77.010
    Contact with and (suspected) exposure to arsenic
    Billable
  4. Z77.011
    Contact with and (suspected) exposure to lead
    Billable
  5. Z77.012
    Contact with and (suspected) exposure to uranium
    Billable
    Excludes1 1

    Excludes1

    • retained depleted uranium fragments (Z18.01) Z18.01
  6. Z77.013
    Contact with and (suspected) exposure to gadolinium New FY2027
    BillableExempt
  7. Z77.018
    Contact with and (suspected) exposure to other hazardous metals
    Billable
    Inclusion terms 2

    Inclusion terms

    • Contact with and (suspected) exposure to chromium compounds
    • Contact with and (suspected) exposure to nickel dust
  8. Z77.02
    Contact with and (suspected) exposure to hazardous aromatic compounds
    Header
  9. Z77.020
    Contact with and (suspected) exposure to aromatic amines
    Billable
  10. Z77.021
    Contact with and (suspected) exposure to benzene
    Billable
  11. Z77.028
    Contact with and (suspected) exposure to other hazardous aromatic compounds
    Billable
    Inclusion terms 2

    Inclusion terms

    • Aromatic dyes NOS
    • Polycyclic aromatic hydrocarbons
  12. Z77.09
    Contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicals
    Header
  13. Z77.090
    Contact with and (suspected) exposure to asbestos
    Billable
  14. Z77.098
    Contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicals
    Billable
    Inclusion terms 1

    Inclusion terms

    • Dyes NOS
  15. Z77.1
    Contact with and (suspected) exposure to environmental pollution and hazards in the physical environment
    Header
  16. Z77.11
    Contact with and (suspected) exposure to environmental pollution
    Header
  17. Z77.110
    Contact with and (suspected) exposure to air pollution
    BillableExempt
  18. Z77.111
    Contact with and (suspected) exposure to water pollution
    BillableExempt
  19. Z77.112
    Contact with and (suspected) exposure to soil pollution
    BillableExempt
  20. Z77.118
    Contact with and (suspected) exposure to other environmental pollution
    BillableExempt
  21. Z77.12
    Contact with and (suspected) exposure to hazards in the physical environment
    Header
  22. Z77.120
    Contact with and (suspected) exposure to mold (toxic)
    BillableExempt
  23. Z77.121
    Contact with and (suspected) exposure to harmful algae and algae toxins
    BillableExempt
    Inclusion terms 7

    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
  24. Z77.122
    Contact with and (suspected) exposure to noise
    BillableExempt
  25. Z77.123
    Contact with and (suspected) exposure to radon and other naturally occurring radiation
    BillableExempt
    Excludes2 2

    Excludes2

    • radiation exposure as the cause of a confirmed condition (W88-W90, X39.0-) W88 W90 X39.0
    • radiation sickness NOS (T66) T66
  26. Z77.128
    Contact with and (suspected) exposure to other hazards in the physical environment
    BillableExempt
  27. Z77.2
    Contact with and (suspected) exposure to other hazardous substances
    Header
  28. Z77.21
    Contact with and (suspected) exposure to potentially hazardous body fluids
    Billable
  29. Z77.22
    Contact with and (suspected) exposure to environmental tobacco smoke (acute) (chronic)
    Billable
    Inclusion terms 2, Excludes1 2, Excludes2 1

    Inclusion terms

    • Exposure to second hand tobacco smoke (acute) (chronic)
    • Passive smoking (acute) (chronic)

    Excludes1

    • nicotine dependence (F17.-) F17
    • tobacco use (Z72.0) Z72.0

    Excludes2

    • occupational exposure to environmental tobacco smoke (Z57.31) Z57.31
  30. Z77.29
    Contact with and (suspected) exposure to other hazardous substances
    Billable
  31. Z77.3
    Contact with and (suspected) exposure to war theater
    Header
  32. Z77.31
    Contact with and (suspected) exposure to Gulf War theater
    BillableExempt
    Inclusion terms 1

    Inclusion terms

    • Contact with and (suspected) exposure to Persian Gulf War theater
  33. Z77.32
    Contact with and (suspected) exposure to burn pits in war theater New FY2027
    BillableExempt
  34. Z77.33
    Contact with and (suspected) exposure to Agent Orange New FY2027
    BillableExempt
  35. Z77.39
    Contact with and (suspected) exposure to other war theater
    BillableExempt
  36. Z77.4
    Contact with and (suspected) exposure to blast overpressure New FY2027
    Header
  37. Z77.40
    Contact with and (suspected) exposure to unspecified blast overpressure New FY2027
    BillableExempt
    Inclusion terms 1

    Inclusion terms

    • Contact with and (suspected) exposure to blast overpressure NOS
  38. Z77.41
    Contact with and (suspected) exposure to low-level blast overpressure New FY2027
    BillableExempt
    Inclusion terms 1

    Inclusion terms

    • Contact with and (suspected) exposure to LLB overpressure
  39. Z77.42
    Contact with and (suspected) exposure to high-level blast overpressure New FY2027
    BillableExempt
    Inclusion terms 1

    Inclusion terms

    • Contact with and (suspected) exposure to HLB overpressure
  40. Z77.49
    Contact with and (suspected) exposure to other blast overpressure New FY2027
    BillableExempt
  41. Z77.9
    Other contact with and (suspected) exposures hazardous to health
    Billable

Sources of each column.

Instructions

At Z77

Includes

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

Excludes2

  • contact with and (suspected) exposure to communicable diseases (Z20.-) Z20
  • exposure to (parental) (environmental) tobacco smoke in the perinatal period (P96.81) P96.81
  • newborn affected by noxious substances transmitted via placenta or breast milk (P04.-) P04
  • occupational exposure to risk factors (Z57.-) Z57
  • retained foreign body (Z18.-) Z18
  • retained foreign body fully removed (Z87.821) Z87.821
  • toxic effects of substances chiefly nonmedicinal as to source (T51-T65) T51 T65

Notes that also apply

Block Z77-Z99 instructions (Code also 1): printed on the block page.

Chapter 21 instructions (Notes 3): printed on the chapter 21 page.

Index entries

  • Second hand tobacco smoke exposure (acute) (chronic) → Z77.22
  • Contact (with)arsenic → Z77.010
  • Exposure (to)arsenic → Z77.010
  • Contact (with)lead → Z77.011
  • Exposure (to)lead → Z77.011
  • Contact (with)uranium → Z77.012
  • Exposure (to)uranium → Z77.012
  • Contact (with)gadolinium → Z77.013
  • Exposure (to)gadolinium → Z77.013
  • Contact (with)chromium compounds → Z77.018
  • Contact (with)hazardous metals NEC → Z77.018
  • Contact (with)nickel dust → Z77.018
  • Exposure (to)chromium compounds → Z77.018
  • Exposure (to)hazardous metals NEC → Z77.018
  • Exposure (to)nickel dust → Z77.018
  • Contact (with)aromatic amines → Z77.020
  • Exposure (to)aromatic amines → Z77.020
  • Contact (with)benzene → Z77.021
  • Exposure (to)benzene → Z77.021
  • Contact (with)aromatic (hazardous) compounds NEC → Z77.028
  • Contact (with)aromatic dyes NOS → Z77.028
  • Contact (with)polycyclic aromatic hydrocarbons → Z77.028
  • Exposure (to)aromatic (hazardous) compounds NEC → Z77.028
  • Exposure (to)aromatic dyes NOS → Z77.028
  • Exposure (to)polycyclic aromatic hydrocarbons → Z77.028
  • Contact (with)asbestos → Z77.090
  • Exposure (to)asbestos → Z77.090
  • Contact (with)chemicals (chiefly nonmedicinal) (hazardous) NEC → Z77.098
  • Contact (with)dyes → Z77.098
  • Exposure (to)chemicals (chiefly nonmedicinal) (hazardous) NEC → Z77.098
  • Exposure (to)dyes → Z77.098
  • Contact (with)air pollution → Z77.110
  • Exposure (to)air pollution → Z77.110
  • Contact (with)water pollution → Z77.111
  • Exposure (to)water pollution → Z77.111
  • Contact (with)mold (toxic) → Z77.120
  • Exposure (to)mold (toxic) → Z77.120
  • Contact (with)algae and algae toxins → Z77.121
  • Contact (with)algae bloom → Z77.121
  • Contact (with)blue-green algae bloom → Z77.121

52 more, longer entries are not listed; the search box finds them by word.

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