NPI Atlas

X13 – Contact with steam and other hot vapors

ICD-10-CM 2027 diagnosis code · Contact with heat and hot substances

Non-billable header

ICD-10-CM code X13

Code: X13 (claims format: X13)
Description: Contact with steam and other hot vapors
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 20. External causes of morbidity (V00-Y99)
Block: X10-X19 Contact with heat and hot substances

Billable codes under X13

X13 is a header code and cannot be used on claims. Choose the most specific code:

X13.0 – Inhalation of steam and other hot vaporsHeader (more codes below)
X13.1 – Other contact with steam and other hot vaporsHeader (more codes below)

7th character values

Codes in this category need a 7th character to describe the encounter or episode of care (use placeholder X for empty positions).

Character	Meaning
`A`	initial encounter
`D`	subsequent encounter
`S`	sequela

Notes for X13

7th character note:

The appropriate 7th character is to be added to each code from category X13

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block X10-X19

Excludes1 (not coded here):

exposure to excessive natural heat (X30)
exposure to fire and flames (X00-X08)

Frequently asked questions

What is ICD-10 code X13?

X13 is the ICD-10-CM code for contact with steam and other hot vapors, in the block X10-X19 (Contact with heat and hot substances).

Is X13 a billable code?

No. X13 is a header code with more specific child codes; report one of the billable codes listed above.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.