T23.6 — Corrosion of second degree of wrist and hand
Is T23.6 billable?
No — T23.6 is a non-billable header code. T23.6 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 60 billable codes beneath T23.6.
Billable codes under this header
- T23.601ACorrosion of second degree of right hand, unspecified site, initial encounter
- T23.601DCorrosion of second degree of right hand, unspecified site, subsequent encounter
- T23.601SCorrosion of second degree of right hand, unspecified site, sequela
- T23.602ACorrosion of second degree of left hand, unspecified site, initial encounter
- T23.602DCorrosion of second degree of left hand, unspecified site, subsequent encounter
- T23.602SCorrosion of second degree of left hand, unspecified site, sequela
- T23.609ACorrosion of second degree of unspecified hand, unspecified site, initial encounter
- T23.609DCorrosion of second degree of unspecified hand, unspecified site, subsequent encounter
- T23.609SCorrosion of second degree of unspecified hand, unspecified site, sequela
- T23.611ACorrosion of second degree of right thumb (nail), initial encounter
- T23.611DCorrosion of second degree of right thumb (nail), subsequent encounter
- T23.611SCorrosion of second degree of right thumb (nail), sequela
- T23.612ACorrosion of second degree of left thumb (nail), initial encounter
- T23.612DCorrosion of second degree of left thumb (nail), subsequent encounter
- T23.612SCorrosion of second degree of left thumb (nail), sequela
- T23.619ACorrosion of second degree of unspecified thumb (nail), initial encounter
- T23.619DCorrosion of second degree of unspecified thumb (nail), subsequent encounter
- T23.619SCorrosion of second degree of unspecified thumb (nail), sequela
- T23.621ACorrosion of second degree of single right finger (nail) except thumb, initial encounter
- T23.621DCorrosion of second degree of single right finger (nail) except thumb, subsequent encounter
- T23.621SCorrosion of second degree of single right finger (nail) except thumb, sequela
- T23.622ACorrosion of second degree of single left finger (nail) except thumb, initial encounter
- T23.622DCorrosion of second degree of single left finger (nail) except thumb, subsequent encounter
- T23.622SCorrosion of second degree of single left finger (nail) except thumb, sequela
- T23.629ACorrosion of second degree of unspecified single finger (nail) except thumb, initial encounter
- T23.629DCorrosion of second degree of unspecified single finger (nail) except thumb, subsequent encounter
- T23.629SCorrosion of second degree of unspecified single finger (nail) except thumb, sequela
- T23.631ACorrosion of second degree of multiple right fingers (nail), not including thumb, initial encounter
- T23.631DCorrosion of second degree of multiple right fingers (nail), not including thumb, subsequent encounter
- T23.631SCorrosion of second degree of multiple right fingers (nail), not including thumb, sequela
- T23.632ACorrosion of second degree of multiple left fingers (nail), not including thumb, initial encounter
- T23.632DCorrosion of second degree of multiple left fingers (nail), not including thumb, subsequent encounter
- T23.632SCorrosion of second degree of multiple left fingers (nail), not including thumb, sequela
- T23.639ACorrosion of second degree of unspecified multiple fingers (nail), not including thumb, initial encounter
- T23.639DCorrosion of second degree of unspecified multiple fingers (nail), not including thumb, subsequent encounter
- T23.639SCorrosion of second degree of unspecified multiple fingers (nail), not including thumb, sequela
- T23.641ACorrosion of second degree of multiple right fingers (nail), including thumb, initial encounter
- T23.641DCorrosion of second degree of multiple right fingers (nail), including thumb, subsequent encounter
- T23.641SCorrosion of second degree of multiple right fingers (nail), including thumb, sequela
- T23.642ACorrosion of second degree of multiple left fingers (nail), including thumb, initial encounter
- T23.642DCorrosion of second degree of multiple left fingers (nail), including thumb, subsequent encounter
- T23.642SCorrosion of second degree of multiple left fingers (nail), including thumb, sequela
- T23.649ACorrosion of second degree of unspecified multiple fingers (nail), including thumb, initial encounter
- T23.649DCorrosion of second degree of unspecified multiple fingers (nail), including thumb, subsequent encounter
- T23.649SCorrosion of second degree of unspecified multiple fingers (nail), including thumb, sequela
- T23.651ACorrosion of second degree of right palm, initial encounter
- T23.651DCorrosion of second degree of right palm, subsequent encounter
- T23.651SCorrosion of second degree of right palm, sequela
- T23.652ACorrosion of second degree of left palm, initial encounter
- T23.652DCorrosion of second degree of left palm, subsequent encounter
- T23.652SCorrosion of second degree of left palm, sequela
- T23.659ACorrosion of second degree of unspecified palm, initial encounter
- T23.659DCorrosion of second degree of unspecified palm, subsequent encounter
- T23.659SCorrosion of second degree of unspecified palm, sequela
- T23.661ACorrosion of second degree back of right hand, initial encounter
- T23.661DCorrosion of second degree back of right hand, subsequent encounter
- T23.661SCorrosion of second degree back of right hand, sequela
- T23.662ACorrosion of second degree back of left hand, initial encounter
- T23.662DCorrosion of second degree back of left hand, subsequent encounter
- T23.662SCorrosion of second degree back of left hand, sequela
T23.6 at a glance
| Code | T23.6 |
|---|---|
| Description | Corrosion of second degree of wrist and hand |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Code first
The underlying condition below must be sequenced before T23.6. T23.6 describes a manifestation and cannot be the principal or first-listed diagnosis.
- (T51-T65) to identify chemical and intent
Use additional code
Report an additional code alongside T23.6 to fully describe the condition. T23.6 is sequenced first.
- external cause code to identify place (Y92)
Use additional code — inherited from Chapter 19
Report an additional code alongside T23.6 to fully describe the condition. T23.6 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Use additional code — inherited from T20-T25
Report an additional code alongside T23.6 to fully describe the condition. T23.6 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T23.6, but a patient may have both at the same time. When documentation supports it, T23.6 and the excluded code may both be reported.
What codes fall under T23.6? (9)
- T23.60Corrosion of second degree of hand, unspecified sitenot billable
- T23.61Corrosion of second degree of thumb (nail)not billable
- T23.62Corrosion of second degree of single finger (nail) except thumbnot billable
- T23.63Corrosion of second degree of multiple fingers (nail), not including thumbnot billable
- T23.64Corrosion of second degree of multiple fingers (nail), including thumbnot billable
- T23.65Corrosion of second degree of palmnot billable
- T23.66Corrosion of second degree of back of handnot billable
- T23.67Corrosion of second degree of wristnot billable
- T23.69Corrosion of second degree of multiple sites of wrist and handnot billable
How long has T23.6 existed?
T23.6 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
What other codes are in the T23 family? (7)
- T23.0Burn of unspecified degree of wrist and handnot billable
- T23.1Burn of first degree of wrist and handnot billable
- T23.2Burn of second degree of wrist and handnot billable
- T23.3Burn of third degree of wrist and handnot billable
- T23.4Corrosion of unspecified degree of wrist and handnot billable
- T23.5Corrosion of first degree of wrist and handnot billable
- T23.7Corrosion of third degree of wrist and handnot billable