AutoICD API

W99

Non-billable

Exposure to other man-made environmental factors

Exposure to other man-made environmental factors

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

3

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 (3)

W99.XXXA

Exposure to oth man-made environmental factors, init encntr

BillableW99.XXXD

Exposure to oth man-made environmental factors, subs encntr

BillableW99.XXXS

Exposure to other man-made environmental factors, sequela

Billable

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code W99?

ICD-10-CM code W99 represents "Exposure to other man-made environmental factors". It is a non-billable header code — use a more specific child code for billing purposes.

Is W99 a billable code?

No, W99 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under W99.

What chapter is W99 in?

W99 is in Chapter 21: External Causes of Morbidity (codes V00-Y99).

What codes cannot be used with W99?

W99 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 W99?

W99 has 3 child codes, including: W99.XXXA (Exposure to oth man-made environmental factors, init encntr), W99.XXXD (Exposure to oth man-made environmental factors, subs encntr), W99.XXXS (Exposure to other man-made environmental factors, sequela).

What are the UMLS CUIs for W99?

W99 is linked to 1 UMLS Concept Unique Identifier: C2905290. 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.