W31.8

ICD-10Non-billable category

Contact with other specified machinery

Official ICD-10-CM descriptor (FY2026)

Contact with other specified machinery

W31.8 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.

ICD-10-CM FY2026 defines 4 codes beneath W31.8. See the ICD-10-CM index for what this site publishes.

Related codes in W31

Where this code sits

Chapter: 20. External causes of morbidity (V00-Y99)
Block: Exposure to inanimate mechanical forces (W20-W49)
Parent code: W31

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.