T23.2UpcomingCategory · further specificity required

Burn of second degree of wrist and hand

Code-level instructions

Use additional code

external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92)

Chapters 19 · Inherited instructions

Use additional code

code to identify any retained foreign body, if applicable (Z18.-)

T20-T25 · Inherited instructions

Use additional code

code from category T31 or T32 to identify extent of body surface involved

T23 · Inherited instructions

A — initial encounter

D — subsequent encounter

S — sequela

Excludes 2 · 5

Chapters 19 · Injury, poisoning and certain other consequences of external causes (S00-T88)

Excludes 2

birth trauma (P10-P15)
obstetric trauma (O70-O71)

T20-T32 · Burns and corrosions (T20-T32)

Excludes 2

erythema [dermatitis] ab igne (L59.0)
radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
sunburn (L55.-)

More specific codes

T23.20Burn of second degree of hand, unspecified site T23.21Burn of second degree of thumb (nail)T23.22Burn of second degree of single finger (nail) except thumb T23.23Burn of second degree of multiple fingers (nail), not including thumb T23.24Burn of second degree of multiple fingers (nail), including thumb T23.25Burn of second degree of palm T23.26Burn of second degree of back of hand T23.27Burn of second degree of wrist T23.29Burn of second degree of multiple sites of wrist and hand

Claims & coverage

When ICD-10-CM is required

For US diagnosis claims covered by HIPAA, ICD-10-CM is required from October 1, 2015.

Use the service date for outpatient/professional claims and the discharge date for hospital inpatient claims. Earlier encounters use ICD-9-CM; each individual code must also be valid for the applicable date.

Official coding guidelines → · CMS ↗

First observed · 2015-10-01

Code history

Latest recorded change · FY2025 · 04-01

ChangedUnchanged

FY2025 · 04-01

Effective from 2025-04-01

Inherited rules changed

Burn of second degree of wrist and hand

Category — select a more specific code

CDC/NCHS · FY2025 · 04-01

All editions (19)

All editions	Effective from	Code history
FY2016	2015-10-01	First observed
FY2017	2016-10-01	No tabular change
FY2018	2017-10-01	No tabular change
FY2019	2018-10-01	No tabular change
FY2020	2019-10-01	No tabular change
FY2020 · April	2020-04-01	No tabular change
FY2021	2020-10-01	No tabular change
FY2021 · 01-01	2021-01-01	No tabular change
FY2022	2021-10-01	No tabular change
FY2022 · 04-01	2022-04-01	No tabular change
FY2023	2022-10-01	No tabular change
FY2023 · 04-01	2023-04-01	No tabular change
FY2024	2023-10-01	No tabular change
FY2024 · 04-01	2024-04-01	No tabular change
FY2025	2024-10-01	No tabular change
FY2025 · 04-01	2025-04-01	Inherited rules changed
FY2026	2025-10-01	No tabular change
FY2026 · April	2026-04-01	No tabular change
FY2027	2026-10-01	No tabular change

Code-level instructions

Use additional code

external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92)

Inherited instructions

Chapters 19 · Injury, poisoning and certain other consequences of external causes (S00-T88)

Excludes 2

birth trauma (P10-P15)
obstetric trauma (O70-O71)

Use additional code

code to identify any retained foreign body, if applicable (Z18.-)

Note

Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.

T20-T25 · Burns and corrosions of external body surface, specified by site (T20-T25)

Includes

burns and corrosions of first degree [erythema]
burns and corrosions of second degree [blisters][epidermal loss]
burns and corrosions of third degree [deep necrosis of underlying tissue] [full- thickness skin loss]

Use additional code

code from category T31 or T32 to identify extent of body surface involved

T20-T32 · Burns and corrosions (T20-T32)

Includes

burns (thermal) from electrical heating appliances
burns (thermal) from electricity
burns (thermal) from flame
burns (thermal) from friction
burns (thermal) from hot air and hot gases
burns (thermal) from hot objects
burns (thermal) from lightning
burns (thermal) from radiation
chemical burn [corrosion] (external) (internal)
scalds

Excludes 2

erythema [dermatitis] ab igne (L59.0)
radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
sunburn (L55.-)

T23 · Burn and corrosion of wrist and hand

Seventh character

The appropriate 7th character is to be added to each code from category T23

A — initial encounter

D — subsequent encounter

S — sequela

More specific codes

Related codes

Other entries in the same category; these are not automatic substitutes.

Code	Description	Category · further specificity required
T23.0	Burn of unspecified degree of wrist and hand	Category · further specificity required
T23.1	Burn of first degree of wrist and hand	Category · further specificity required
T23.3	Burn of third degree of wrist and hand	Category · further specificity required
T23.4	Corrosion of unspecified degree of wrist and hand	Category · further specificity required
T23.5	Corrosion of first degree of wrist and hand	Category · further specificity required
T23.6	Corrosion of second degree of wrist and hand	Category · further specificity required
T23.7	Corrosion of third degree of wrist and hand	Category · further specificity required

Official titles and instructions are preserved in their source language. Official sources ↗