T20
Non-Billable

Burn and corrosion of head, face, and neck

Non-Billable / Non-Specific Code

What is Burn and corrosion of head, face, and neck?

ICD-10-CM T20 is the diagnosis code for Burn and corrosion of head, face, and neck. 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 T20

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

The following conditions are not included in T20. If the patient has both, code each condition separately:

  • burn and corrosion of ear drum (T28.41, T28.91)
  • burn and corrosion of eye and adnexa (T26.-)
  • burn and corrosion of mouth and pharynx (T28.0)

ICD-10-CM Code Hierarchy

Understanding where T20 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 8 entries
T20.0Burn of unspecified degree of head, face, and neckNon-BillableT20.00Burn of unspecified degree of head, face, and neck, unspecified siteBillableT20.01Burn of unspecified degree of ear [any part, except ear drum]Non-BillableT20.011Burn of unspecified degree of right ear [any part, except ear drum]BillableT20.012Burn of unspecified degree of left ear [any part, except ear drum]BillableT20.019Burn of unspecified degree of unspecified ear [any part, except ear drum]BillableT20.02Burn of unspecified degree of lip(s)BillableT20.03Burn of unspecified degree of chinBillableT20.04Burn of unspecified degree of nose (septum)BillableT20.05Burn of unspecified degree of scalp [any part]BillableT20.06Burn of unspecified degree of forehead and cheekBillableT20.07Burn of unspecified degree of neckBillableT20.09Burn of unspecified degree of multiple sites of head, face, and neckBillableT20.1Burn of first degree of head, face, and neckNon-BillableT20.10Burn of first degree of head, face, and neck, unspecified siteBillableT20.11Burn of first degree of ear [any part, except ear drum]Non-BillableT20.111Burn of first degree of right ear [any part, except ear drum]BillableT20.112Burn of first degree of left ear [any part, except ear drum]BillableT20.119Burn of first degree of unspecified ear [any part, except ear drum]BillableT20.12Burn of first degree of lip(s)BillableT20.13Burn of first degree of chinBillableT20.14Burn of first degree of nose (septum)BillableT20.15Burn of first degree of scalp [any part]BillableT20.16Burn of first degree of forehead and cheekBillableT20.17Burn of first degree of neckBillableT20.19Burn of first degree of multiple sites of head, face, and neckBillableT20.2Burn of second degree of head, face, and neckNon-BillableT20.20Burn of second degree of head, face, and neck, unspecified siteBillableT20.21Burn of second degree of ear [any part, except ear drum]Non-BillableT20.211Burn of second degree of right ear [any part, except ear drum]BillableT20.212Burn of second degree of left ear [any part, except ear drum]BillableT20.219Burn of second degree of unspecified ear [any part, except ear drum]BillableT20.22Burn of second degree of lip(s)BillableT20.23Burn of second degree of chinBillableT20.24Burn of second degree of nose (septum)BillableT20.25Burn of second degree of scalp [any part]BillableT20.26Burn of second degree of forehead and cheekBillableT20.27Burn of second degree of neckBillableT20.29Burn of second degree of multiple sites of head, face, and neckBillableT20.3Burn of third degree of head, face, and neckNon-BillableT20.30Burn of third degree of head, face, and neck, unspecified siteBillableT20.31Burn of third degree of ear [any part, except ear drum]Non-BillableT20.311Burn of third degree of right ear [any part, except ear drum]BillableT20.312Burn of third degree of left ear [any part, except ear drum]BillableT20.319Burn of third degree of unspecified ear [any part, except ear drum]BillableT20.32Burn of third degree of lip(s)BillableT20.33Burn of third degree of chinBillableT20.34Burn of third degree of nose (septum)BillableT20.35Burn of third degree of scalp [any part]BillableT20.36Burn of third degree of forehead and cheekBillableT20.37Burn of third degree of neckBillableT20.39Burn of third degree of multiple sites of head, face, and neckBillableT20.4Corrosion of unspecified degree of head, face, and neckNon-BillableT20.40Corrosion of unspecified degree of head, face, and neck, unspecified siteBillableT20.41Corrosion of unspecified degree of ear [any part, except ear drum]Non-BillableT20.411Corrosion of unspecified degree of right ear [any part, except ear drum]BillableT20.412Corrosion of unspecified degree of left ear [any part, except ear drum]BillableT20.419Corrosion of unspecified degree of unspecified ear [any part, except ear drum]BillableT20.42Corrosion of unspecified degree of lip(s)BillableT20.43Corrosion of unspecified degree of chinBillableT20.44Corrosion of unspecified degree of nose (septum)BillableT20.45Corrosion of unspecified degree of scalp [any part]BillableT20.46Corrosion of unspecified degree of forehead and cheekBillableT20.47Corrosion of unspecified degree of neckBillableT20.49Corrosion of unspecified degree of multiple sites of head, face, and neckBillableT20.5Corrosion of first degree of head, face, and neckNon-BillableT20.50Corrosion of first degree of head, face, and neck, unspecified siteBillableT20.51Corrosion of first degree of ear [any part, except ear drum]Non-BillableT20.511Corrosion of first degree of right ear [any part, except ear drum]BillableT20.512Corrosion of first degree of left ear [any part, except ear drum]BillableT20.519Corrosion of first degree of unspecified ear [any part, except ear drum]BillableT20.52Corrosion of first degree of lip(s)BillableT20.53Corrosion of first degree of chinBillableT20.54Corrosion of first degree of nose (septum)BillableT20.55Corrosion of first degree of scalp [any part]BillableT20.56Corrosion of first degree of forehead and cheekBillableT20.57Corrosion of first degree of neckBillableT20.59Corrosion of first degree of multiple sites of head, face, and neckBillableT20.6Corrosion of second degree of head, face, and neckNon-BillableT20.60Corrosion of second degree of head, face, and neck, unspecified siteBillableT20.61Corrosion of second degree of ear [any part, except ear drum]Non-BillableT20.611Corrosion of second degree of right ear [any part, except ear drum]BillableT20.612Corrosion of second degree of left ear [any part, except ear drum]BillableT20.619Corrosion of second degree of unspecified ear [any part, except ear drum]BillableT20.62Corrosion of second degree of lip(s)BillableT20.63Corrosion of second degree of chinBillableT20.64Corrosion of second degree of nose (septum)BillableT20.65Corrosion of second degree of scalp [any part]BillableT20.66Corrosion of second degree of forehead and cheekBillableT20.67Corrosion of second degree of neckBillableT20.69Corrosion of second degree of multiple sites of head, face, and neckBillableT20.7Corrosion of third degree of head, face, and neckNon-BillableT20.70Corrosion of third degree of head, face, and neck, unspecified siteBillableT20.71Corrosion of third degree of ear [any part, except ear drum]Non-BillableT20.711Corrosion of third degree of right ear [any part, except ear drum]BillableT20.712Corrosion of third degree of left ear [any part, except ear drum]BillableT20.719Corrosion of third degree of unspecified ear [any part, except ear drum]BillableT20.72Corrosion of third degree of lip(s)BillableT20.73Corrosion of third degree of chinBillableT20.74Corrosion of third degree of nose (septum)BillableT20.75Corrosion of third degree of scalp [any part]BillableT20.76Corrosion of third degree of forehead and cheekBillableT20.77Corrosion of third degree of neckBillableT20.79Corrosion of third degree of multiple sites of head, face, and neckBillable
Related Codes

Frequently Asked Questions

Is T20 a billable ICD-10-CM code?

No, T20 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does T20 mean?

T20 is the ICD-10-CM diagnosis code for "Burn and corrosion of head, face, and neck". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is T20 in?

T20 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 T20?

T20 has 8 sub-code(s) that provide more specific detail: T20.0, T20.1, T20.2, T20.3, T20.4 and more.

When should I use T20?

Use T20 when the patients documented diagnosis matches "Burn and corrosion of head, face, and neck" 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 head, face, and neck?

The ICD-10-CM code for Burn and corrosion of head, face, and neck is T20.

Can T20 be used for primary diagnosis?

No, T20 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is T20 in?

T20 is in Chapter 19 of the ICD-10-CM Tabular List.

Is T20 valid for 2026?

Yes, T20 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousT19.9Foreign body in genitourinary tract, part unspecifiedNext →T20.0Burn of unspecified degree of head, face, and neck
Code Details
T20
Burn and corrosion of head, face, and neck
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