Exposure to noise - W42
The seventh character in ICD-10-CM is an essential component that adds specificity to diagnosis codes by indicating aspects like the encounter type, stage, or other relevant clinical details.
Category SevenChr Note:
- The appropriate 7th character is to be added to each code from category W42
These ranges represents subcategories of Exposure to noise. The "W42" signifies that these are the diseases within this broad category.