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ICD-10-CM Current in FY 2027

W94.31XA

Exposure to sudden change in air pressure in aircraft during descent, initial encounter

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where W94.31XA sits in the official hierarchy. Each level is the code it is classified under.

  1. W94 Exposure to high and low air pressure and changes in air pressure
  2. W94.3 Exposure to rapid changes in air pressure during descent
  3. W94.31 Parent Exposure to sudden change in air pressure in aircraft during descent
  4. W94.31XA This code Exposure to sudden change in air pressure in aircraft during descent, initial encounter

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

7th Character

The appropriate 7th character is to be added to each code from category W94

Inherited from W94 — Exposure to high and low air pressure and changes in air pressure

7th Character

A - initial encounter

Inherited from W94 — Exposure to high and low air pressure and changes in air pressure

7th Character

D - subsequent encounter

Inherited from W94 — Exposure to high and low air pressure and changes in air pressure

7th Character

S - sequela

Inherited from W94 — Exposure to high and low air pressure and changes in air pressure

Version History

How W94.31XA appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Exposure to sudden change in air pressure in aircraft during descent, initial encounter

  2. FY 2026 Effective

    Unchanged

    Exposure to sudden change in air pressure in aircraft during descent, initial encounter

Related Codes

Other codes under W94.31

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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