T31
Non-Billable

Burns classified according to extent of body surface involved

Non-Billable / Non-Specific Code

What is Burns classified according to extent of body surface involved?

ICD-10-CM T31 is the diagnosis code for Burns classified according to extent of body surface involved. This code falls under the section "Burns and corrosions of multiple and unspecified body regions" within Chapter 19 — Injury, poisoning and certain other consequences of external causes (S00-T88). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for T31

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where T31 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 10 entries
T31.0Burns involving less than 10% of body surfaceBillableT31.1Burns involving 10-19% of body surfaceNon-BillableT31.10Burns involving 10-19% of body surface with 0% to 9% third degree burnsBillableT31.11Burns involving 10-19% of body surface with 10-19% third degree burnsBillableT31.2Burns involving 20-29% of body surfaceNon-BillableT31.20Burns involving 20-29% of body surface with 0% to 9% third degree burnsBillableT31.21Burns involving 20-29% of body surface with 10-19% third degree burnsBillableT31.22Burns involving 20-29% of body surface with 20-29% third degree burnsBillableT31.3Burns involving 30-39% of body surfaceNon-BillableT31.30Burns involving 30-39% of body surface with 0% to 9% third degree burnsBillableT31.31Burns involving 30-39% of body surface with 10-19% third degree burnsBillableT31.32Burns involving 30-39% of body surface with 20-29% third degree burnsBillableT31.33Burns involving 30-39% of body surface with 30-39% third degree burnsBillableT31.4Burns involving 40-49% of body surfaceNon-BillableT31.40Burns involving 40-49% of body surface with 0% to 9% third degree burnsBillableT31.41Burns involving 40-49% of body surface with 10-19% third degree burnsBillableT31.42Burns involving 40-49% of body surface with 20-29% third degree burnsBillableT31.43Burns involving 40-49% of body surface with 30-39% third degree burnsBillableT31.44Burns involving 40-49% of body surface with 40-49% third degree burnsBillableT31.5Burns involving 50-59% of body surfaceNon-BillableT31.50Burns involving 50-59% of body surface with 0% to 9% third degree burnsBillableT31.51Burns involving 50-59% of body surface with 10-19% third degree burnsBillableT31.52Burns involving 50-59% of body surface with 20-29% third degree burnsBillableT31.53Burns involving 50-59% of body surface with 30-39% third degree burnsBillableT31.54Burns involving 50-59% of body surface with 40-49% third degree burnsBillableT31.55Burns involving 50-59% of body surface with 50-59% third degree burnsBillableT31.6Burns involving 60-69% of body surfaceNon-BillableT31.60Burns involving 60-69% of body surface with 0% to 9% third degree burnsBillableT31.61Burns involving 60-69% of body surface with 10-19% third degree burnsBillableT31.62Burns involving 60-69% of body surface with 20-29% third degree burnsBillableT31.63Burns involving 60-69% of body surface with 30-39% third degree burnsBillableT31.64Burns involving 60-69% of body surface with 40-49% third degree burnsBillableT31.65Burns involving 60-69% of body surface with 50-59% third degree burnsBillableT31.66Burns involving 60-69% of body surface with 60-69% third degree burnsBillableT31.7Burns involving 70-79% of body surfaceNon-BillableT31.70Burns involving 70-79% of body surface with 0% to 9% third degree burnsBillableT31.71Burns involving 70-79% of body surface with 10-19% third degree burnsBillableT31.72Burns involving 70-79% of body surface with 20-29% third degree burnsBillableT31.73Burns involving 70-79% of body surface with 30-39% third degree burnsBillableT31.74Burns involving 70-79% of body surface with 40-49% third degree burnsBillableT31.75Burns involving 70-79% of body surface with 50-59% third degree burnsBillableT31.76Burns involving 70-79% of body surface with 60-69% third degree burnsBillableT31.77Burns involving 70-79% of body surface with 70-79% third degree burnsBillableT31.8Burns involving 80-89% of body surfaceNon-BillableT31.80Burns involving 80-89% of body surface with 0% to 9% third degree burnsBillableT31.81Burns involving 80-89% of body surface with 10-19% third degree burnsBillableT31.82Burns involving 80-89% of body surface with 20-29% third degree burnsBillableT31.83Burns involving 80-89% of body surface with 30-39% third degree burnsBillableT31.84Burns involving 80-89% of body surface with 40-49% third degree burnsBillableT31.85Burns involving 80-89% of body surface with 50-59% third degree burnsBillableT31.86Burns involving 80-89% of body surface with 60-69% third degree burnsBillableT31.87Burns involving 80-89% of body surface with 70-79% third degree burnsBillableT31.88Burns involving 80-89% of body surface with 80-89% third degree burnsBillableT31.9Burns involving 90% or more of body surfaceNon-BillableT31.90Burns involving 90% or more of body surface with 0% to 9% third degree burnsBillableT31.91Burns involving 90% or more of body surface with 10-19% third degree burnsBillableT31.92Burns involving 90% or more of body surface with 20-29% third degree burnsBillableT31.93Burns involving 90% or more of body surface with 30-39% third degree burnsBillableT31.94Burns involving 90% or more of body surface with 40-49% third degree burnsBillableT31.95Burns involving 90% or more of body surface with 50-59% third degree burnsBillableT31.96Burns involving 90% or more of body surface with 60-69% third degree burnsBillableT31.97Burns involving 90% or more of body surface with 70-79% third degree burnsBillableT31.98Burns involving 90% or more of body surface with 80-89% third degree burnsBillableT31.99Burns involving 90% or more of body surface with 90% or more third degree burnsBillable
Related Codes

Frequently Asked Questions

Is T31 a billable ICD-10-CM code?

No, T31 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does T31 mean?

T31 is the ICD-10-CM diagnosis code for "Burns classified according to extent of body surface involved". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is T31 in?

T31 is located in Section T30-T32 — "Burns and corrosions of multiple and unspecified body regions" within Chapter 19 of the ICD-10-CM Tabular List.

What are the sub-codes of T31?

T31 has 10 sub-code(s) that provide more specific detail: T31.0, T31.1, T31.2, T31.3, T31.4 and more.

When should I use T31?

Use T31 when the patients documented diagnosis matches "Burns classified according to extent of body surface involved" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Burns classified according to extent of body surface involved?

The ICD-10-CM code for Burns classified according to extent of body surface involved is T31.

Can T31 be used for primary diagnosis?

No, T31 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is T31 in?

T31 is in Chapter 19 of the ICD-10-CM Tabular List.

Is T31 valid for 2026?

Yes, T31 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousT30.4Corrosion of unspecified body region, unspecified degreeNext →T31.0Burns involving less than 10% of body surface
Code Details
T31
Burns classified according to extent of body surface involved
Non-Billable / Non-Specific Code
19 — Injury, poisoning and certain other consequences of external causes (S00-T88)
T30-T32 — Burns and corrosions of multiple and unspecified body regions
2026 ICD-10-CM