Exposure to high and low air pressure and changes in air pressure
Requires 7th character
W94 requires a 7th character to be reported. Choose a complete code below.
Inclusion terms
Includes
- Note: This chapter permits the classification of environmental events and circumstances as the cause of injury, and other adverse effects. Where a code from this section is applicable, it is intended that it shall be used secondary to a code from another chapter of the Classification indicating the nature of the condition. Most often, the condition will be classifiable to Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88). Other conditions that may be stated to be due to external causes are classified in Chapters I to XVIII. For these conditions, codes from Chapter 20 should be used to provide additional information as to the cause of the condition.
Excludes1
Not coded here — never report together with this code.
7th character
This code requires a 7th character. Use the placeholder "X" for missing positions.
| Character | Meaning |
|---|---|
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |
More specific codes W94
Related codes
- W85Exposure to electric transmission linesNeeds 7th char
- W86Exposure to other specified electric currentNeeds 7th char
- W88Exposure to ionizing radiationNeeds 7th char
- W89Exposure to man-made visible and ultraviolet lightNeeds 7th char
- W90Exposure to other nonionizing radiationNeeds 7th char
- W92Exposure to excessive heat of man-made originNeeds 7th char
- W93Exposure to excessive cold of man-made originNeeds 7th char
- W99Exposure to other man-made environmental factorsNeeds 7th char