X98: Assault by steam, hot vapors and hot objects

Codes under X98 (Assault by steam, hot vapors and hot objects). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
X98.0	Assault by steam or hot vapors	—
X98.0XXA	Assault by steam or hot vapors, initial encounter	✓
X98.0XXD	Assault by steam or hot vapors, subsequent encounter	✓
X98.0XXS	Assault by steam or hot vapors, sequela	✓
X98.1	Assault by hot tap water	—
X98.1XXA	Assault by hot tap water, initial encounter	✓
X98.1XXD	Assault by hot tap water, subsequent encounter	✓
X98.1XXS	Assault by hot tap water, sequela	✓
X98.2	Assault by hot fluids	—
X98.2XXA	Assault by hot fluids, initial encounter	✓
X98.2XXD	Assault by hot fluids, subsequent encounter	✓
X98.2XXS	Assault by hot fluids, sequela	✓
X98.3	Assault by hot household appliances	—
X98.3XXA	Assault by hot household appliances, initial encounter	✓
X98.3XXD	Assault by hot household appliances, subsequent encounter	✓
X98.3XXS	Assault by hot household appliances, sequela	✓
X98.8	Assault by other hot objects	—
X98.8XXA	Assault by other hot objects, initial encounter	✓
X98.8XXD	Assault by other hot objects, subsequent encounter	✓
X98.8XXS	Assault by other hot objects, sequela	✓
X98.9	Assault by unspecified hot objects	—
X98.9XXA	Assault by unspecified hot objects, initial encounter	✓
X98.9XXD	Assault by unspecified hot objects, subsequent encounter	✓
X98.9XXS	Assault by unspecified hot objects, sequela	✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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