ICD-10-CM 2027 diagnosis code
T23.3Burn of third degree of wrist and hand
T23.3 is a header code, so it can't be reported by itself. Choose one of the 9 more specific codes beneath it and add the required 7th character.
Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data
About T23.3
T23.3 is the ICD-10-CM diagnosis code for burn of third degree of wrist and hand. It belongs to category T23 (burn and corrosion of wrist and hand), block T20-T25 (burns and corrosions of external body surface, specified by site) and chapter 19 (injury, poisoning and certain other consequences of external causes). It is a header code, so it can't be reported by itself; one of its 9 subcodes must be used instead.
Within T23 (burn and corrosion of wrist and hand), T23.3 is specifically for burn of third degree of wrist and hand. Related codes cover burn of unspecified degree of wrist and hand (T23.0), burn of first degree of wrist and hand (T23.1), burn of second degree of wrist and hand (T23.2), corrosion of unspecified degree of wrist and hand (T23.4), corrosion of first degree of wrist and hand (T23.5), corrosion of second degree of wrist and hand (T23.6) and corrosion of third degree of wrist and hand (T23.7).
Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.
Use an additional code for: external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92).
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.
7th character
The appropriate 7th character is to be added to each code from category T23
- T23.30Burn of third degree of hand, unspecified site
- T23.31Burn of third degree of thumb (nail)
- T23.32Burn of third degree of single finger (nail) except thumb
- T23.33Burn of third degree of multiple fingers (nail), not including thumb
- T23.34Burn of third degree of multiple fingers (nail), including thumb
- T23.35Burn of third degree of palm
- T23.36Burn of third degree of back of hand
- T23.37Burn of third degree of wrist
- T23.39Burn of third degree of multiple sites of wrist and hand
- Ainitial encounter
- Dsubsequent encounter
- Ssequela
Coding notes
Notes that apply from higher levels
Instructions written at a parent level also apply to T23.3.
Broader instructions also apply from T20-T25 Burns and corrosions of external body surface, specified by site and Chapter 19: Injury, poisoning and certain other consequences of external causes.
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
- No changes since FY2016.
Common questions about T23.3
Is T23.3 billable?
- No. T23.3 is a header code. Report one of its more specific subcodes instead.