ICD-10 Diagnosis Code W42.9XXA

Exposure to other noise, initial encounter

Diagnosis Code W42.9XXA

ICD-10: W42.9XXA
Short Description: Exposure to other noise, initial encounter
Long Description: Exposure to other noise, initial encounter
This is the 2018 version of the ICD-10-CM diagnosis code W42.9XXA

Valid for Submission
The code W42.9XXA is valid for submission for HIPAA-covered transactions.

Code Classification
  • External causes of morbidity and mortality (V01–Y98)
    • Exposure to inanimate mechanical forces (W20-W49)
      • Exposure to noise (W42)

Information for Medical Professionals

Convert to ICD-9
  • E928.1 - Exposure to noise (Approximate Flag)

  • Accident caused by exposure to noise
  • Accident caused by noise pollution
  • Accident caused by sound waves
  • Environmental pollution
  • Exposed to noise
  • Noise polution
  • Occupational noise exposure
  • Overexertion, strenuous movements and vibration

ICD-10 Footnotes

General Equivalence Map Definitions
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • Approximate Flag - The approximate flag is on, indicating that the relationship between the code in the source system and the code in the target system is an approximate equivalent.
  • No Map Flag - The no map flag indicates that a code in the source system is not linked to any code in the target system.
  • Combination Flag - The combination flag indicates that more than one code in the target system is required to satisfy the full equivalent meaning of a code in the source system.

Present on Admission
The Present on Admission (POA) indicator is used for diagnosis codes included in claims involving inpatient admissions to general acute care hospitals. POA indicators must be reported to CMS on each claim to facilitate the grouping of diagnoses codes into the proper Diagnostic Related Groups (DRG). CMS publishes a listing of specific diagnosis codes that are exempt from the POA reporting requirement.

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