X05

ICD-10Non-billable category

Exposure to ignition or melting of nightwear

Official ICD-10-CM descriptor (FY2026)

Exposure to ignition or melting of nightwear

X05 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.

Excludes2

Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.

  • exposure to uncontrolled fire in building or structure (X00.-)
  • exposure to uncontrolled fire, not in building or structure (X01.-)
  • exposure to controlled fire in building or structure (X02.-)
  • exposure to controlled fire, not in building or structure (X03.-)
  • exposure to ignition of highly flammable materials (X04.-)

7th character

  • The appropriate 7th character is to be added to code X05

Permitted 7th characters

Ainitial encounter
Dsubsequent encounter
Ssequela

Where this code sits

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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.

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