W45
Non-billableForeign body or object entering through skin
Foreign body or object entering through skin
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- foreign body or object embedded in skin
- nail embedded in skin
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
7th Character Definitions
- A - initial encounter
- D - subsequent encounter
- S - sequela
Child Codes (2)
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code W45?
ICD-10-CM code W45 represents "Foreign body or object entering through skin". It is a non-billable header code — use a more specific child code for billing purposes.
Is W45 a billable code?
No, W45 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under W45.
What chapter is W45 in?
W45 is in Chapter 21: External Causes of Morbidity (codes V00-Y99).
What codes cannot be used with W45?
W45 has Excludes1 notes indicating codes that cannot be used together with it, including: assault (X92-Y09); contact or collision with animals or persons (W50-W64); exposure to inanimate mechanical forces involving military or war operations (Y36.-, Y37.-); and 1 more.
What are the subcategories under W45?
W45 has 2 child codes, including: W45.0 (Nail entering through skin), W45.8 (Other foreign body or object entering through skin).
What are the UMLS CUIs for W45?
W45 is linked to 3 UMLS Concept Unique Identifiers: C0479142, C4290473, C4290474. 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.