X77 – Intentional self-harm by steam, hot vapors and hot objects

ICD-10-CM 2027 diagnosis code · Intentional self-harm

Non-billable header

ICD-10-CM code X77

Code: X77 (claims format: X77)
Description: Intentional self-harm by steam, hot vapors and hot objects
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: X71-X83 Intentional self-harm

Billable codes under X77

X77 is a header code and cannot be used on claims. Choose the most specific code:

X77.0 – Intentional self-harm by steam or hot vaporsHeader (more codes below)
X77.1 – Intentional self-harm by hot tap waterHeader (more codes below)
X77.2 – Intentional self-harm by other hot fluidsHeader (more codes below)
X77.3 – Intentional self-harm by hot household appliancesHeader (more codes below)
X77.8 – Intentional self-harm by other hot objectsHeader (more codes below)
X77.9 – Intentional self-harm by unspecified hot objectsHeader (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 X77

7th character note:

The appropriate 7th character is to be added to each code from category X77

Notes inherited from parent codes

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

Block X71-X83

Applicable to:

Purposely self-inflicted injury
Suicide (attempted)

Frequently asked questions

What is ICD-10 code X77?

X77 is the ICD-10-CM code for intentional self-harm by steam, hot vapors and hot objects, in the block X71-X83 (Intentional self-harm).

Is X77 a billable code?

No. X77 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.