Billable / Specific Code
ICD-10-CM W94.23 is the diagnosis code for Exposure to sudden change in air pressure in aircraft during ascent. This code falls under the section "Exposure to electric current, radiation and extreme ambient air temperature and pressure" within Chapter 20 — External causes of morbidity (V00-Y99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where W94.23 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, W94.23 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
W94.23 is the ICD-10-CM diagnosis code for "Exposure to sudden change in air pressure in aircraft during ascent". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of W94.23 is W94.2 ("Exposure to rapid changes in air pressure during ascent"). W94.23 provides a more specific classification within this category.
W94.23 is located in Section W85-W99 — "Exposure to electric current, radiation and extreme ambient air temperature and pressure" within Chapter 20 of the ICD-10-CM Tabular List.
Use W94.23 when the patients documented diagnosis matches "Exposure to sudden change in air pressure in aircraft during ascent" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Exposure to sudden change in air pressure in aircraft during ascent is W94.23.
Yes, W94.23 can be used as a primary diagnosis code since it is billable and specific.
W94.23 is in Chapter 20 of the ICD-10-CM Tabular List.
Yes, W94.23 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.