ICD-10-CM Diagnosis Code (2025)
Official Description for T20
Burn and corrosion of head, face, and neck
Coding Notes & Guidelines for T20
Excludes2: Not Included Here
- 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)
Excludes2: Not Included Here
burn of ear drum (T28.41-)
Excludes2: Not Included Here
burn of ear drum (T28.41-)
Excludes2: Not Included Here
burn of ear drum (T28.41-)
Excludes2: Not Included Here
burn of ear drum (T28.41-)
Excludes2: Not Included Here
corrosion of ear drum (T28.91-)
Excludes2: Not Included Here
corrosion of ear drum (T28.91-)
Excludes2: Not Included Here
corrosion of ear drum (T28.91-)
Excludes2: Not Included Here
corrosion of ear drum (T28.91-)
Code First
(T51-T65) to identify chemical and intent
Code First
(T51-T65) to identify chemical and intent
Code First
(T51-T65) to identify chemical and intent
Code First
(T51-T65) to identify chemical and intent
Use Additional Code
external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92)
Use Additional Code
external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92)
Use Additional Code
external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92)
Use Additional Code
external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92)
Use Additional Code
external cause code to identify place (Y92)
Use Additional Code
external cause code to identify place (Y92)
Use Additional Code
external cause code to identify place (Y92)
Use Additional Code
external cause code to identify place (Y92)
7th Character Guidance
The appropriate 7th character is to be added to each code from category T20
7th Character Definitions
- A: initial encounter
- D: subsequent encounter
- S: sequela
Child Codes (More Specific Codes for T20):
T20.0 - Burn of unspecified degree of head, face, and neck
T20.00 - Burn of unspecified degree of head, face, and neck, unspecified site
T20.01 - Burn of unspecified degree of ear [any part, except ear drum]
T20.011 - Burn of unspecified degree of right ear [any part, except ear drum]
T20.012 - Burn of unspecified degree of left ear [any part, except ear drum]
T20.019 - Burn of unspecified degree of unspecified ear [any part, except ear drum]
T20.02 - Burn of unspecified degree of lip(s)
T20.03 - Burn of unspecified degree of chin
T20.04 - Burn of unspecified degree of nose (septum)
T20.05 - Burn of unspecified degree of scalp [any part]
T20.06 - Burn of unspecified degree of forehead and cheek
T20.07 - Burn of unspecified degree of neck
T20.09 - Burn of unspecified degree of multiple sites of head, face, and neck
T20.1 - Burn of first degree of head, face, and neck
T20.10 - Burn of first degree of head, face, and neck, unspecified site
T20.11 - Burn of first degree of ear [any part, except ear drum]
T20.111 - Burn of first degree of right ear [any part, except ear drum]
T20.112 - Burn of first degree of left ear [any part, except ear drum]
T20.119 - Burn of first degree of unspecified ear [any part, except ear drum]
T20.12 - Burn of first degree of lip(s)
T20.13 - Burn of first degree of chin
T20.14 - Burn of first degree of nose (septum)
T20.15 - Burn of first degree of scalp [any part]
T20.16 - Burn of first degree of forehead and cheek
T20.17 - Burn of first degree of neck
T20.19 - Burn of first degree of multiple sites of head, face, and neck
T20.2 - Burn of second degree of head, face, and neck
T20.20 - Burn of second degree of head, face, and neck, unspecified site
T20.21 - Burn of second degree of ear [any part, except ear drum]
T20.211 - Burn of second degree of right ear [any part, except ear drum]
T20.212 - Burn of second degree of left ear [any part, except ear drum]
T20.219 - Burn of second degree of unspecified ear [any part, except ear drum]
T20.22 - Burn of second degree of lip(s)
T20.23 - Burn of second degree of chin
T20.24 - Burn of second degree of nose (septum)
T20.25 - Burn of second degree of scalp [any part]
T20.26 - Burn of second degree of forehead and cheek
T20.27 - Burn of second degree of neck
T20.29 - Burn of second degree of multiple sites of head, face, and neck
T20.3 - Burn of third degree of head, face, and neck
T20.30 - Burn of third degree of head, face, and neck, unspecified site
T20.31 - Burn of third degree of ear [any part, except ear drum]
T20.311 - Burn of third degree of right ear [any part, except ear drum]
T20.312 - Burn of third degree of left ear [any part, except ear drum]
T20.319 - Burn of third degree of unspecified ear [any part, except ear drum]
T20.32 - Burn of third degree of lip(s)
T20.33 - Burn of third degree of chin
T20.34 - Burn of third degree of nose (septum)
T20.35 - Burn of third degree of scalp [any part]
T20.36 - Burn of third degree of forehead and cheek
T20.37 - Burn of third degree of neck
T20.39 - Burn of third degree of multiple sites of head, face, and neck
T20.4 - Corrosion of unspecified degree of head, face, and neck
T20.40 - Corrosion of unspecified degree of head, face, and neck, unspecified site
T20.41 - Corrosion of unspecified degree of ear [any part, except ear drum]
T20.411 - Corrosion of unspecified degree of right ear [any part, except ear drum]
T20.412 - Corrosion of unspecified degree of left ear [any part, except ear drum]
T20.419 - Corrosion of unspecified degree of unspecified ear [any part, except ear drum]
T20.42 - Corrosion of unspecified degree of lip(s)
T20.43 - Corrosion of unspecified degree of chin
T20.44 - Corrosion of unspecified degree of nose (septum)
T20.45 - Corrosion of unspecified degree of scalp [any part]
T20.46 - Corrosion of unspecified degree of forehead and cheek
T20.47 - Corrosion of unspecified degree of neck
T20.49 - Corrosion of unspecified degree of multiple sites of head, face, and neck
T20.5 - Corrosion of first degree of head, face, and neck
T20.50 - Corrosion of first degree of head, face, and neck, unspecified site
T20.51 - Corrosion of first degree of ear [any part, except ear drum]
T20.511 - Corrosion of first degree of right ear [any part, except ear drum]
T20.512 - Corrosion of first degree of left ear [any part, except ear drum]
T20.519 - Corrosion of first degree of unspecified ear [any part, except ear drum]
T20.52 - Corrosion of first degree of lip(s)
T20.53 - Corrosion of first degree of chin
T20.54 - Corrosion of first degree of nose (septum)
T20.55 - Corrosion of first degree of scalp [any part]
T20.56 - Corrosion of first degree of forehead and cheek
T20.57 - Corrosion of first degree of neck
T20.59 - Corrosion of first degree of multiple sites of head, face, and neck
T20.6 - Corrosion of second degree of head, face, and neck
T20.60 - Corrosion of second degree of head, face, and neck, unspecified site
T20.61 - Corrosion of second degree of ear [any part, except ear drum]
T20.611 - Corrosion of second degree of right ear [any part, except ear drum]
T20.612 - Corrosion of second degree of left ear [any part, except ear drum]
T20.619 - Corrosion of second degree of unspecified ear [any part, except ear drum]
T20.62 - Corrosion of second degree of lip(s)
T20.63 - Corrosion of second degree of chin
T20.64 - Corrosion of second degree of nose (septum)
T20.65 - Corrosion of second degree of scalp [any part]
T20.66 - Corrosion of second degree of forehead and cheek
T20.67 - Corrosion of second degree of neck
T20.69 - Corrosion of second degree of multiple sites of head, face, and neck
T20.7 - Corrosion of third degree of head, face, and neck
T20.70 - Corrosion of third degree of head, face, and neck, unspecified site
T20.71 - Corrosion of third degree of ear [any part, except ear drum]
T20.711 - Corrosion of third degree of right ear [any part, except ear drum]
T20.712 - Corrosion of third degree of left ear [any part, except ear drum]
T20.719 - Corrosion of third degree of unspecified ear [any part, except ear drum]
T20.72 - Corrosion of third degree of lip(s)
T20.73 - Corrosion of third degree of chin
T20.74 - Corrosion of third degree of nose (septum)
T20.75 - Corrosion of third degree of scalp [any part]
T20.76 - Corrosion of third degree of forehead and cheek
T20.77 - Corrosion of third degree of neck
T20.79 - Corrosion of third degree of multiple sites of head, face, and neck
About ICD-10-CM Code T20 (Burn and corrosion of head)
ICD-10-CM code T20 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM T20 became effective on October 1, 2024.
This page provides detailed information about T20 - Burn and corrosion of head, face, and neck. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Burn and corrosion of head related to face, and neck.