T24
Non-Billable

Burn and corrosion of lower limb, except ankle and foot

Non-Billable / Non-Specific Code

What is Burn and corrosion of lower limb, except ankle and foot?

ICD-10-CM T24 is the diagnosis code for Burn and corrosion of lower limb, except ankle and foot. This code falls under the section "Burns and corrosions of external body surface, specified by site" 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.

â„šī¸ Excludes2

Coding Guidelines for T24

â„šī¸ Type 2 Excludes (Code separately if applicable)

The following conditions are not included in T24. If the patient has both, code each condition separately:

  • burn and corrosion of ankle and foot (T25.-)
  • burn and corrosion of hip region (T21.-)

ICD-10-CM Code Hierarchy

Understanding where T24 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 8 entries
T24.0Burn of unspecified degree of lower limb, except ankle and footNon-BillableT24.00Burn of unspecified degree of unspecified site of lower limb, except ankle and footNon-BillableT24.001Burn of unspecified degree of unspecified site of right lower limb, except ankle and footBillableT24.002Burn of unspecified degree of unspecified site of left lower limb, except ankle and footBillableT24.009Burn of unspecified degree of unspecified site of unspecified lower limb, except ankle and footBillableT24.01Burn of unspecified degree of thighNon-BillableT24.011Burn of unspecified degree of right thighBillableT24.012Burn of unspecified degree of left thighBillableT24.019Burn of unspecified degree of unspecified thighBillableT24.02Burn of unspecified degree of kneeNon-BillableT24.021Burn of unspecified degree of right kneeBillableT24.022Burn of unspecified degree of left kneeBillableT24.029Burn of unspecified degree of unspecified kneeBillableT24.03Burn of unspecified degree of lower legNon-BillableT24.031Burn of unspecified degree of right lower legBillableT24.032Burn of unspecified degree of left lower legBillableT24.039Burn of unspecified degree of unspecified lower legBillableT24.09Burn of unspecified degree of multiple sites of lower limb, except ankle and footNon-BillableT24.091Burn of unspecified degree of multiple sites of right lower limb, except ankle and footBillableT24.092Burn of unspecified degree of multiple sites of left lower limb, except ankle and footBillableT24.099Burn of unspecified degree of multiple sites of unspecified lower limb, except ankle and footBillableT24.1Burn of first degree of lower limb, except ankle and footNon-BillableT24.10Burn of first degree of unspecified site of lower limb, except ankle and footNon-BillableT24.101Burn of first degree of unspecified site of right lower limb, except ankle and footBillableT24.102Burn of first degree of unspecified site of left lower limb, except ankle and footBillableT24.109Burn of first degree of unspecified site of unspecified lower limb, except ankle and footBillableT24.11Burn of first degree of thighNon-BillableT24.111Burn of first degree of right thighBillableT24.112Burn of first degree of left thighBillableT24.119Burn of first degree of unspecified thighBillableT24.12Burn of first degree of kneeNon-BillableT24.121Burn of first degree of right kneeBillableT24.122Burn of first degree of left kneeBillableT24.129Burn of first degree of unspecified kneeBillableT24.13Burn of first degree of lower legNon-BillableT24.131Burn of first degree of right lower legBillableT24.132Burn of first degree of left lower legBillableT24.139Burn of first degree of unspecified lower legBillableT24.19Burn of first degree of multiple sites of lower limb, except ankle and footNon-BillableT24.191Burn of first degree of multiple sites of right lower limb, except ankle and footBillableT24.192Burn of first degree of multiple sites of left lower limb, except ankle and footBillableT24.199Burn of first degree of multiple sites of unspecified lower limb, except ankle and footBillableT24.2Burn of second degree of lower limb, except ankle and footNon-BillableT24.20Burn of second degree of unspecified site of lower limb, except ankle and footNon-BillableT24.201Burn of second degree of unspecified site of right lower limb, except ankle and footBillableT24.202Burn of second degree of unspecified site of left lower limb, except ankle and footBillableT24.209Burn of second degree of unspecified site of unspecified lower limb, except ankle and footBillableT24.21Burn of second degree of thighNon-BillableT24.211Burn of second degree of right thighBillableT24.212Burn of second degree of left thighBillableT24.219Burn of second degree of unspecified thighBillableT24.22Burn of second degree of kneeNon-BillableT24.221Burn of second degree of right kneeBillableT24.222Burn of second degree of left kneeBillableT24.229Burn of second degree of unspecified kneeBillableT24.23Burn of second degree of lower legNon-BillableT24.231Burn of second degree of right lower legBillableT24.232Burn of second degree of left lower legBillableT24.239Burn of second degree of unspecified lower legBillableT24.29Burn of second degree of multiple sites of lower limb, except ankle and footNon-BillableT24.291Burn of second degree of multiple sites of right lower limb, except ankle and footBillableT24.292Burn of second degree of multiple sites of left lower limb, except ankle and footBillableT24.299Burn of second degree of multiple sites of unspecified lower limb, except ankle and footBillableT24.3Burn of third degree of lower limb, except ankle and footNon-BillableT24.30Burn of third degree of unspecified site of lower limb, except ankle and footNon-BillableT24.301Burn of third degree of unspecified site of right lower limb, except ankle and footBillableT24.302Burn of third degree of unspecified site of left lower limb, except ankle and footBillableT24.309Burn of third degree of unspecified site of unspecified lower limb, except ankle and footBillableT24.31Burn of third degree of thighNon-BillableT24.311Burn of third degree of right thighBillableT24.312Burn of third degree of left thighBillableT24.319Burn of third degree of unspecified thighBillableT24.32Burn of third degree of kneeNon-BillableT24.321Burn of third degree of right kneeBillableT24.322Burn of third degree of left kneeBillableT24.329Burn of third degree of unspecified kneeBillableT24.33Burn of third degree of lower legNon-BillableT24.331Burn of third degree of right lower legBillableT24.332Burn of third degree of left lower legBillableT24.339Burn of third degree of unspecified lower legBillableT24.39Burn of third degree of multiple sites of lower limb, except ankle and footNon-BillableT24.391Burn of third degree of multiple sites of right lower limb, except ankle and footBillableT24.392Burn of third degree of multiple sites of left lower limb, except ankle and footBillableT24.399Burn of third degree of multiple sites of unspecified lower limb, except ankle and footBillableT24.4Corrosion of unspecified degree of lower limb, except ankle and footNon-BillableT24.40Corrosion of unspecified degree of unspecified site of lower limb, except ankle and footNon-BillableT24.401Corrosion of unspecified degree of unspecified site of right lower limb, except ankle and footBillableT24.402Corrosion of unspecified degree of unspecified site of left lower limb, except ankle and footBillableT24.409Corrosion of unspecified degree of unspecified site of unspecified lower limb, except ankle and footBillableT24.41Corrosion of unspecified degree of thighNon-BillableT24.411Corrosion of unspecified degree of right thighBillableT24.412Corrosion of unspecified degree of left thighBillableT24.419Corrosion of unspecified degree of unspecified thighBillableT24.42Corrosion of unspecified degree of kneeNon-BillableT24.421Corrosion of unspecified degree of right kneeBillableT24.422Corrosion of unspecified degree of left kneeBillableT24.429Corrosion of unspecified degree of unspecified kneeBillableT24.43Corrosion of unspecified degree of lower legNon-BillableT24.431Corrosion of unspecified degree of right lower legBillableT24.432Corrosion of unspecified degree of left lower legBillableT24.439Corrosion of unspecified degree of unspecified lower legBillableT24.49Corrosion of unspecified degree of multiple sites of lower limb, except ankle and footNon-BillableT24.491Corrosion of unspecified degree of multiple sites of right lower limb, except ankle and footBillableT24.492Corrosion of unspecified degree of multiple sites of left lower limb, except ankle and footBillableT24.499Corrosion of unspecified degree of multiple sites of unspecified lower limb, except ankle and footBillableT24.5Corrosion of first degree of lower limb, except ankle and footNon-BillableT24.50Corrosion of first degree of unspecified site of lower limb, except ankle and footNon-BillableT24.501Corrosion of first degree of unspecified site of right lower limb, except ankle and footBillableT24.502Corrosion of first degree of unspecified site of left lower limb, except ankle and footBillableT24.509Corrosion of first degree of unspecified site of unspecified lower limb, except ankle and footBillableT24.51Corrosion of first degree of thighNon-BillableT24.511Corrosion of first degree of right thighBillableT24.512Corrosion of first degree of left thighBillableT24.519Corrosion of first degree of unspecified thighBillableT24.52Corrosion of first degree of kneeNon-BillableT24.521Corrosion of first degree of right kneeBillableT24.522Corrosion of first degree of left kneeBillableT24.529Corrosion of first degree of unspecified kneeBillableT24.53Corrosion of first degree of lower legNon-BillableT24.531Corrosion of first degree of right lower legBillableT24.532Corrosion of first degree of left lower legBillableT24.539Corrosion of first degree of unspecified lower legBillableT24.59Corrosion of first degree of multiple sites of lower limb, except ankle and footNon-BillableT24.591Corrosion of first degree of multiple sites of right lower limb, except ankle and footBillableT24.592Corrosion of first degree of multiple sites of left lower limb, except ankle and footBillableT24.599Corrosion of first degree of multiple sites of unspecified lower limb, except ankle and footBillableT24.6Corrosion of second degree of lower limb, except ankle and footNon-BillableT24.60Corrosion of second degree of unspecified site of lower limb, except ankle and footNon-BillableT24.601Corrosion of second degree of unspecified site of right lower limb, except ankle and footBillableT24.602Corrosion of second degree of unspecified site of left lower limb, except ankle and footBillableT24.609Corrosion of second degree of unspecified site of unspecified lower limb, except ankle and footBillableT24.61Corrosion of second degree of thighNon-BillableT24.611Corrosion of second degree of right thighBillableT24.612Corrosion of second degree of left thighBillableT24.619Corrosion of second degree of unspecified thighBillableT24.62Corrosion of second degree of kneeNon-BillableT24.621Corrosion of second degree of right kneeBillableT24.622Corrosion of second degree of left kneeBillableT24.629Corrosion of second degree of unspecified kneeBillableT24.63Corrosion of second degree of lower legNon-BillableT24.631Corrosion of second degree of right lower legBillableT24.632Corrosion of second degree of left lower legBillableT24.639Corrosion of second degree of unspecified lower legBillableT24.69Corrosion of second degree of multiple sites of lower limb, except ankle and footNon-BillableT24.691Corrosion of second degree of multiple sites of right lower limb, except ankle and footBillableT24.692Corrosion of second degree of multiple sites of left lower limb, except ankle and footBillableT24.699Corrosion of second degree of multiple sites of unspecified lower limb, except ankle and footBillableT24.7Corrosion of third degree of lower limb, except ankle and footNon-BillableT24.70Corrosion of third degree of unspecified site of lower limb, except ankle and footNon-BillableT24.701Corrosion of third degree of unspecified site of right lower limb, except ankle and footBillableT24.702Corrosion of third degree of unspecified site of left lower limb, except ankle and footBillableT24.709Corrosion of third degree of unspecified site of unspecified lower limb, except ankle and footBillableT24.71Corrosion of third degree of thighNon-BillableT24.711Corrosion of third degree of right thighBillableT24.712Corrosion of third degree of left thighBillableT24.719Corrosion of third degree of unspecified thighBillableT24.72Corrosion of third degree of kneeNon-BillableT24.721Corrosion of third degree of right kneeBillableT24.722Corrosion of third degree of left kneeBillableT24.729Corrosion of third degree of unspecified kneeBillableT24.73Corrosion of third degree of lower legNon-BillableT24.731Corrosion of third degree of right lower legBillableT24.732Corrosion of third degree of left lower legBillableT24.739Corrosion of third degree of unspecified lower legBillableT24.79Corrosion of third degree of multiple sites of lower limb, except ankle and footNon-BillableT24.791Corrosion of third degree of multiple sites of right lower limb, except ankle and footBillableT24.792Corrosion of third degree of multiple sites of left lower limb, except ankle and footBillableT24.799Corrosion of third degree of multiple sites of unspecified lower limb, except ankle and footBillable
Related Codes

Frequently Asked Questions

Is T24 a billable ICD-10-CM code?

No, T24 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does T24 mean?

T24 is the ICD-10-CM diagnosis code for "Burn and corrosion of lower limb, except ankle and foot". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is T24 in?

T24 is located in Section T20-T25 — "Burns and corrosions of external body surface, specified by site" within Chapter 19 of the ICD-10-CM Tabular List.

What are the sub-codes of T24?

T24 has 8 sub-code(s) that provide more specific detail: T24.0, T24.1, T24.2, T24.3, T24.4 and more.

When should I use T24?

Use T24 when the patients documented diagnosis matches "Burn and corrosion of lower limb, except ankle and foot" 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 Burn and corrosion of lower limb, except ankle and foot?

The ICD-10-CM code for Burn and corrosion of lower limb, except ankle and foot is T24.

Can T24 be used for primary diagnosis?

No, T24 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is T24 in?

T24 is in Chapter 19 of the ICD-10-CM Tabular List.

Is T24 valid for 2026?

Yes, T24 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousT23.799Corrosion of third degree of multiple sites of unspecified wrist and handNext →T24.0Burn of unspecified degree of lower limb, except ankle and foot
Code Details
T24
Burn and corrosion of lower limb, except ankle and foot
Non-Billable / Non-Specific Code
19 — Injury, poisoning and certain other consequences of external causes (S00-T88)
T20-T25 — Burns and corrosions of external body surface, specified by site
2026 ICD-10-CM