T31: Burns classified according to extent of body surface involved

Codes under T31 (Burns classified according to extent of body surface involved). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
T31.0	Burns involving less than 10% of body surface	✓
T31.1	Burns involving 10-19% of body surface	—
T31.2	Burns involving 20-29% of body surface	—
T31.3	Burns involving 30-39% of body surface	—
T31.4	Burns involving 40-49% of body surface	—
T31.5	Burns involving 50-59% of body surface	—
T31.6	Burns involving 60-69% of body surface	—
T31.7	Burns involving 70-79% of body surface	—
T31.8	Burns involving 80-89% of body surface	—
T31.9	Burns involving 90% or more of body surface	—
T31.10	Burns involving 10-19% of body surface with 0% to 9% third degree burns	✓
T31.11	Burns involving 10-19% of body surface with 10-19% third degree burns	✓
T31.20	Burns involving 20-29% of body surface with 0% to 9% third degree burns	✓
T31.21	Burns involving 20-29% of body surface with 10-19% third degree burns	✓
T31.22	Burns involving 20-29% of body surface with 20-29% third degree burns	✓
T31.30	Burns involving 30-39% of body surface with 0% to 9% third degree burns	✓
T31.31	Burns involving 30-39% of body surface with 10-19% third degree burns	✓
T31.32	Burns involving 30-39% of body surface with 20-29% third degree burns	✓
T31.33	Burns involving 30-39% of body surface with 30-39% third degree burns	✓
T31.40	Burns involving 40-49% of body surface with 0% to 9% third degree burns	✓
T31.41	Burns involving 40-49% of body surface with 10-19% third degree burns	✓
T31.42	Burns involving 40-49% of body surface with 20-29% third degree burns	✓
T31.43	Burns involving 40-49% of body surface with 30-39% third degree burns	✓
T31.44	Burns involving 40-49% of body surface with 40-49% third degree burns	✓
T31.50	Burns involving 50-59% of body surface with 0% to 9% third degree burns	✓
T31.51	Burns involving 50-59% of body surface with 10-19% third degree burns	✓
T31.52	Burns involving 50-59% of body surface with 20-29% third degree burns	✓
T31.53	Burns involving 50-59% of body surface with 30-39% third degree burns	✓
T31.54	Burns involving 50-59% of body surface with 40-49% third degree burns	✓
T31.55	Burns involving 50-59% of body surface with 50-59% third degree burns	✓
T31.60	Burns involving 60-69% of body surface with 0% to 9% third degree burns	✓
T31.61	Burns involving 60-69% of body surface with 10-19% third degree burns	✓
T31.62	Burns involving 60-69% of body surface with 20-29% third degree burns	✓
T31.63	Burns involving 60-69% of body surface with 30-39% third degree burns	✓
T31.64	Burns involving 60-69% of body surface with 40-49% third degree burns	✓
T31.65	Burns involving 60-69% of body surface with 50-59% third degree burns	✓
T31.66	Burns involving 60-69% of body surface with 60-69% third degree burns	✓
T31.70	Burns involving 70-79% of body surface with 0% to 9% third degree burns	✓
T31.71	Burns involving 70-79% of body surface with 10-19% third degree burns	✓
T31.72	Burns involving 70-79% of body surface with 20-29% third degree burns	✓
T31.73	Burns involving 70-79% of body surface with 30-39% third degree burns	✓
T31.74	Burns involving 70-79% of body surface with 40-49% third degree burns	✓
T31.75	Burns involving 70-79% of body surface with 50-59% third degree burns	✓
T31.76	Burns involving 70-79% of body surface with 60-69% third degree burns	✓
T31.77	Burns involving 70-79% of body surface with 70-79% third degree burns	✓
T31.80	Burns involving 80-89% of body surface with 0% to 9% third degree burns	✓
T31.81	Burns involving 80-89% of body surface with 10-19% third degree burns	✓
T31.82	Burns involving 80-89% of body surface with 20-29% third degree burns	✓
T31.83	Burns involving 80-89% of body surface with 30-39% third degree burns	✓
T31.84	Burns involving 80-89% of body surface with 40-49% third degree burns	✓
T31.85	Burns involving 80-89% of body surface with 50-59% third degree burns	✓
T31.86	Burns involving 80-89% of body surface with 60-69% third degree burns	✓
T31.87	Burns involving 80-89% of body surface with 70-79% third degree burns	✓
T31.88	Burns involving 80-89% of body surface with 80-89% third degree burns	✓
T31.90	Burns involving 90% or more of body surface with 0% to 9% third degree burns	✓
T31.91	Burns involving 90% or more of body surface with 10-19% third degree burns	✓
T31.92	Burns involving 90% or more of body surface with 20-29% third degree burns	✓
T31.93	Burns involving 90% or more of body surface with 30-39% third degree burns	✓
T31.94	Burns involving 90% or more of body surface with 40-49% third degree burns	✓
T31.95	Burns involving 90% or more of body surface with 50-59% third degree burns	✓
T31.96	Burns involving 90% or more of body surface with 60-69% third degree burns	✓
T31.97	Burns involving 90% or more of body surface with 70-79% third degree burns	✓
T31.98	Burns involving 90% or more of body surface with 80-89% third degree burns	✓
T31.99	Burns involving 90% or more of body surface with 90% or more third degree burns	✓

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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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