Z77.33 – Contact with and (suspected) exposure to Agent Orange

ICD-10-CM 2027 diagnosis code · Persons with potential health hazards related to family and personal history and certain conditions influencing health status

Billable code New in 2027

ICD-10-CM code Z77.33
Code
Z77.33 (claims format: Z7733)
Description
Contact with and (suspected) exposure to Agent Orange
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
21. Factors influencing health status and contact with health services (Z00-Z99)
Block
Z77-Z99 Persons with potential health hazards related to family and personal history and certain conditions influencing health status
Parent codes
Z77 › Z77.3

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

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

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

Block Z77-Z99

Code also:
  • any follow-up examination (Z08-Z09)

Index terms for Z77.33

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in Z77.3

Frequently asked questions

What is ICD-10 code Z77.33?

Z77.33 is the ICD-10-CM code for contact with and (suspected) exposure to Agent Orange, in the block Z77-Z99 (Persons with potential health hazards related to family and personal history and certain conditions influencing health status).

Is Z77.33 a billable code?

Yes. Z77.33 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does Z77.33 belong to?

It belongs to category Z77 – Other contact with and (suspected) exposures hazardous to health.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.