W94 ICD-10-CM Code: Exposure to high and low air pressure and changes in air pressure
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
W94Exposure to high and low air pressure and changes in air pressure
ICD-10-CM diagnosis code · United States clinical modification
Where W94 sits
- 1
Chapter 20
External causes of morbidity (V00-Y99)
- 2
Section
Accidents (V00-X58)
- 3
Category W94
Exposure to high and low air pressure and changes in air pressure
- 4
Code W94
Exposure to high and low air pressure and changes in air pressure
Codes under W94
W94 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Notes for this code
Inclusion terms
No inclusion terms are listed for W94.
Code first
No “code first” instruction is listed for W94.
Use additional code
No “use additional code” instruction is listed for W94.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for W94.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for W94.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code W94 mean?
W94 is the FY 2027 U.S. ICD-10-CM code for “Exposure to high and low air pressure and changes in air pressure.”
Is W94 a billable or specific ICD-10-CM code?
No. W94 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is W94 located in ICD-10-CM?
W94 is listed in Chapter 20, External causes of morbidity (V00-Y99), within Accidents (V00-X58) (V00–X58), under category W94, Exposure to high and low air pressure and changes in air pressure.
What coding notes are listed for W94?
No inclusion terms are listed for W94 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.