2026 ICD-10-CM Diagnosis Code Z77.098Contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicals

ICD-10-CM Codes›Z00–Z99›Z77-Z99›suspected

ICD-10-CM Z77.098
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z77.098 is a billable ICD-10-CM diagnosis code for contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicals. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The code is not accepted as a principal diagnosis by the Medicare Code Editor. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified status.

Code Identity

ICD-10-CM Code
Z77.098
Billable Status
Yes — Valid for Submission
Code Describes
Contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicals
Short Description
Contact w and expsr to oth hazard, chiefly nonmed, chemicals
Parent Code
Z77.09
Contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicals

Code Classification

ChapterZ00–Z99Factors influencing health status and contact with health services
SectionZ77-Z99Persons with potential health hazards related to family and personal history and certain conditions influencing health status
CategorysuspectedOther contact with and exposures hazardous to health (Z77)
This CodeZ77.098Contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicals

Code EditsBilling

Medicare Code Editor checks that affect claim validity for Z77.098.

Unacceptable principal diagnosis
There are selected codes that describe a circumstance which influences an individual's health status but not a current illness or injury, or codes that are not specific manifestations but may be due to an underlying cause. These codes are considered unacceptable as a principal diagnosis.

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • 46,XY disorder of sex development due to environmental chemical exposure
  • Accidental exposure to aerosol paint
  • Accidental exposure to alcohol
  • Accidental exposure to blacking
  • Accidental exposure to carbon monoxide
  • Accidental exposure to cleaning agent
  • Accidental exposure to corrosive or caustic chemical
  • Accidental exposure to ethanol
  • Accidental exposure to fertilizer
  • Accidental exposure to liquid paint
  • Accidental exposure to nitrile herbicide
  • Accidental exposure to paint
  • Accidental exposure to pyrethroid insecticide
  • Environment contains chemical hazards
  • Exposure to acetone
  • Exposure to alcohol
  • Exposure to alkene
  • Exposure to aqueous film forming foam
  • Exposure to chemical pollution
  • Exposure to chemical pollution, non-occupational
  • Exposure to cycloparaffin
  • Exposure to dioxin and/or dioxin derivative
  • Exposure to formaldehyde
  • Exposure to hexafluoropropylene oxide dimer acid
  • Exposure to hexamethylene diisocyanate
  • Exposure to hexane
  • Exposure to iron oxide
  • Exposure to isopropyl alcohol
  • Exposure to jet propellant fuel eight
  • Exposure to JP-5
  • Exposure to kerosene
  • Exposure to methanol
  • Exposure to methyl ethyl ketone
  • Exposure to methylene chloride
  • Exposure to n-butyl acetate
  • Exposure to perfluorobutanesulfonic acid
  • Exposure to perfluorohexane sulfonate
  • Exposure to perfluorononanoic acid
  • Exposure to perfluorooctanesulfonic acid
  • Exposure to perfluorooctanoic acid
  • Exposure to polychlorinated biphenyl
  • Exposure to potentially hazardous chemical
  • Exposure to titanium dioxide
  • H/O: isocyanate exposure
  • Injury due to chemical exposure

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Dyes NOS

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Contact(with)
      • chemicals (chiefly nonmedicinal) (hazardous) NEC
    • Contact(with)
      • dyes
    • Exposure(to)
      • chemicals (chiefly nonmedicinal) (hazardous) NEC
    • Exposure(to)
      • dyes

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR FAC025
Other specified status
Default principal diagnosis: inpatient No · outpatient Yes

Patient EducationClinical

Poisoning

A poison is any substance that is harmful to your body. You might swallow it, inhale it, inject it, or absorb it through your skin. Any substance can be poisonous if too much is taken. Poisons can include:

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert Z77.098 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
V87.2 Cont/exp hazard chem NEC
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Z77.098Overview

Is Z77.098 a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicals on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Can Z77.098 be a principal diagnosis?

No. The Medicare Code Editor rejects this code as a principal diagnosis because contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicals describes a circumstance that influences health status rather than a current illness. Report it as a secondary diagnosis.

What is the ICD-9 equivalent of Z77.098?

Under the General Equivalence Mappings, contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicals converts to ICD-9-CM V87.2 (cont/exp hazard chem NEC). The mapping is approximate, so confirm the match fits the documentation.