ICD-10-CM Code Z77.29

Contact with and (suspected) exposure to other hazardous substances

Version 2020 Billable Code Unacceptable Principal Diagnosis

Valid for Submission

Z77.29 is a billable code used to specify a medical diagnosis of contact with and (suspected) exposure to other hazardous substances. The code is valid for the year 2020 for the submission of HIPAA-covered transactions. The ICD-10-CM code Z77.29 might also be used to specify conditions or terms like accidental exposure to bleach, accidental exposure to carbon monoxide, accidental exposure to carbon monoxide from domestic gas fire or heater, accidental exposure to cleaning agent, accidental exposure to exhaust gas from motor vehicle in motion, accidental exposure to exhaust gas in aircraft, etc

The code Z77.29 describes a circumstance which influences the patient's health status but not a current illness or injury. The code is unacceptable as a principal diagnosis.

ICD-10:Z77.29
Short Description:Contact with and exposure to other hazardous substances
Long Description:Contact with and (suspected) exposure to other hazardous substances

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code Z77.29 are found in the index:


Code Edits

The Medicare Code Editor (MCE) detects and reports errors in the coding of claims data. The following ICD-10 Code Edits are applicable to this code:

  • 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.

Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

  • Accidental exposure to bleach
  • Accidental exposure to carbon monoxide
  • Accidental exposure to carbon monoxide from domestic gas fire or heater
  • Accidental exposure to cleaning agent
  • Accidental exposure to exhaust gas from motor vehicle in motion
  • Accidental exposure to exhaust gas in aircraft
  • Accidental exposure to organophosphorus herbicide
  • Accidental exposure to urea herbicide
  • Accidental ingestion of ergot
  • Accidental ingestion of food contaminant
  • Environment contains radiological material hazards
  • Environment contains traffic hazards
  • Environment contains vehicle hazards
  • Exposure to Agent Orange
  • Exposure to angiotensin converting enzyme inhibitor agent
  • Exposure to anti-folic acid drug
  • Exposure to diethylstilbestrol
  • Exposure to drug or medicament
  • Exposure to fenfluramine
  • Exposure to gaseous substance
  • Exposure to iodine
  • Exposure to methamphetamine
  • Exposure to potentially hazardous substance
  • Exposure to toxin
  • History of suspected exposure to biological agent
  • Soot in oropharynx

Convert Z77.29 to ICD-9

  • V87.39 - Cont/exp hazard sub NEC (Approximate Flag)

Code Classification

  • Factors influencing health status and contact with health services (Z00–Z99)
    • Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
      • Oth contact w and exposures hazardous to health (Z77) (suspected)

Code History

  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
    (First year ICD-10-CM implemented into the HIPAA code set)
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2019 - Code Updated, effective from 10/1/2018 through 9/30/2019
    • New Description: Contact with and (suspected) exposure to other hazardous substances
    • Previous Description: Contact with and (suspected ) exposure to other hazardous substances
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020

Information for Patients


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

  • Prescription or over-the-counter medicines taken in doses that are too high
  • Overdoses of illegal drugs
  • Carbon monoxide from gas appliances
  • Household products, such as laundry powder or furniture polish
  • Pesticides
  • Indoor or outdoor plants
  • Metals such as lead and mercury

The effects of poisoning range from short-term illness to brain damage, coma, and death. To prevent poisoning it is important to use and store products exactly as their labels say. Keep dangerous products where children can't get to them. Treatment for poisoning depends on the type of poison. If you suspect someone has been poisoned, call your local poison control center at 1-800-222-1222 right away.


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