Corrosion of second degree of back of hand
Requires 7th character
T23.66 requires a 7th character to be reported. Choose a complete code below.
Inclusion terms
Includes (from T23)
- 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]
- 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
- Note: 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.
Excludes2
Not included here — may be reported together when both conditions exist.
Code first
Sequence the underlying condition first.
Use additional code
Add a code to identify the following, if applicable.
7th character
This code requires a 7th character (defined at T23). Use the placeholder "X" for missing positions.
| Character | Meaning |
|---|---|
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |
Parent code
- T23.6Corrosion of second degree of wrist and handNeeds 7th char
More specific codes T23.66
Related codes
- T23.60Corrosion of second degree of hand, unspecified siteNeeds 7th char
- T23.61Corrosion of second degree of thumb (nail)Needs 7th char
- T23.62Corrosion of second degree of single finger (nail) except thumbNeeds 7th char
- T23.63Corrosion of second degree of multiple fingers (nail), not including thumbNeeds 7th char
- T23.64Corrosion of second degree of multiple fingers (nail), including thumbNeeds 7th char
- T23.65Corrosion of second degree of palmNeeds 7th char
- T23.67Corrosion of second degree of wristNeeds 7th char
- T23.69Corrosion of second degree of multiple sites of wrist and handNeeds 7th char