ICD-10-CM Diagnosis Code (2025)
Official Description for W42
Exposure to noise
Coding Notes & Guidelines for W42
Inclusion Terms
Exposure to sound waves NOS
7th Character Guidance
The appropriate 7th character is to be added to each code from category W42
7th Character Definitions
- A: initial encounter
- D: subsequent encounter
- S: sequela
Child Codes (More Specific Codes for W42):
About ICD-10-CM Code W42 (Exposure to noise)
ICD-10-CM code W42 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM W42 became effective on October 1, 2024.
This page provides detailed information about W42 - Exposure to noise. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Exposure to noise.