AutoICD API

W94

Non-billable

Expsr to high and low air pressr and changes in air pressure

Exposure to high and low air pressure and changes in air pressure

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

W85-W99

Child Codes

4

Coding Notes

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • exposure to:
  • failure in dosage of radiation or temperature during surgical and medical care (Y63.2-Y63.5)
  • lightning (T75.0-)
  • natural cold (X31)
  • natural heat (X30)
  • natural radiation NOS (X39)
  • radiological procedure and radiotherapy (Y84.2)
  • sunlight (X32)

7th Character Definitions

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela

Child Codes (4)

W94.0

Exposure to prolonged high air pressure

W94.1

Exposure to prolonged low air pressure

W94.2

Exposure to rapid changes in air pressure during ascent

W94.3

Exposure to rapid changes in air pressure during descent

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code W94?

ICD-10-CM code W94 represents "Exposure to high and low air pressure and changes in air pressure". It is a non-billable header code — use a more specific child code for billing purposes.

Is W94 a billable code?

No, W94 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under W94.

What chapter is W94 in?

W94 is in Chapter 21: External Causes of Morbidity (codes V00-Y99).

What codes cannot be used with W94?

W94 has Excludes1 notes indicating codes that cannot be used together with it, including: exposure to:; failure in dosage of radiation or temperature during surgical and medical care (Y63.2-Y63.5); lightning (T75.0-); and 5 more.

What are the subcategories under W94?

W94 has 4 child codes, including: W94.0 (Exposure to prolonged high air pressure), W94.1 (Exposure to prolonged low air pressure), W94.2 (Exposure to rapid changes in air pressure during ascent), W94.3 (Exposure to rapid changes in air pressure during descent).

What are the UMLS CUIs for W94?

W94 is linked to 1 UMLS Concept Unique Identifier: C0479563. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.