T23.4 - Corrosion of unspecified degree of wrist and hand

Applicable to Corrosion of unspecified degree of wrist and hand
The 2025 edition of ICD10-CM T23.4 became effective on October 1, 2024.
This is the American ICD10-CM version of T23.4 - other international versions of ICD10 T23.4 may differ.
T23.4 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
T23.4 Code should not be used for billing or reimbursement purposes as there are multiple ICD-10 CM codes below it that contain a greater level of detail.

T23.4 - Corrosion of unspecified degree of wrist and hand
- T23.4 - Corrosion of unspecified degree of wrist and hand
- T23.40 - Corrosion of unspecified degree of hand, unspecified site
- T23.401 - Corrosion of unspecified degree of right hand, unspecified site
- T23.402 - Corrosion of unspecified degree of left hand, unspecified site
- T23.409 - Corrosion of unspecified degree of unspecified hand, unspecified site
- T23.41 - Corrosion of unspecified degree of thumb (nail)
- T23.411 - Corrosion of unspecified degree of right thumb (nail)
- T23.412 - Corrosion of unspecified degree of left thumb (nail)
- T23.419 - Corrosion of unspecified degree of unspecified thumb (nail)
- T23.42 - Corrosion of unspecified degree of single finger (nail) except thumb
- T23.421 - Corrosion of unspecified degree of single right finger (nail) except thumb
- T23.422 - Corrosion of unspecified degree of single left finger (nail) except thumb
- T23.429 - Corrosion of unspecified degree of unspecified single finger (nail) except thumb
- T23.43 - Corrosion of unspecified degree of multiple fingers (nail), not including thumb
- T23.431 - Corrosion of unspecified degree of multiple right fingers (nail), not including thumb
- T23.432 - Corrosion of unspecified degree of multiple left fingers (nail), not including thumb
- T23.439 - Corrosion of unspecified degree of unspecified multiple fingers (nail), not including thumb
- T23.44 - Corrosion of unspecified degree of multiple fingers (nail), including thumb
- T23.441 - Corrosion of unspecified degree of multiple right fingers (nail), including thumb
- T23.442 - Corrosion of unspecified degree of multiple left fingers (nail), including thumb
- T23.449 - Corrosion of unspecified degree of unspecified multiple fingers (nail), including thumb
- T23.45 - Corrosion of unspecified degree of palm
- T23.451 - Corrosion of unspecified degree of right palm
- T23.452 - Corrosion of unspecified degree of left palm
- T23.459 - Corrosion of unspecified degree of unspecified palm
- T23.46 - Corrosion of unspecified degree of back of hand
- T23.461 - Corrosion of unspecified degree of back of right hand
- T23.462 - Corrosion of unspecified degree of back of left hand
- T23.469 - Corrosion of unspecified degree of back of unspecified hand
- T23.47 - Corrosion of unspecified degree of wrist
- T23.471 - Corrosion of unspecified degree of right wrist
- T23.472 - Corrosion of unspecified degree of left wrist
- T23.479 - Corrosion of unspecified degree of unspecified wrist
- T23.49 - Corrosion of unspecified degree of multiple sites of wrist and hand
- T23.491 - Corrosion of unspecified degree of multiple sites of right wrist and hand
- T23.492 - Corrosion of unspecified degree of multiple sites of left wrist and hand
- T23.499 - Corrosion of unspecified degree of multiple sites of unspecified wrist and hand

Code Additional Code:

external cause code to identify place (Y92)

codefirst

(T51-T65) to identify chemical and intent

degree icd 10

corrosion icd 10

wrist icd 10

Non-Billable/Non-Specific Code

The following codes above T23.4 contain annotation back-references that may be applicable to T23.4:

Chapter: S00-T88 - Injury, poisoning and certain other consequences of external causes
Section: T20-T25 - Burns and corrosions of external body surface, specified by site
Category: T23 - Burn and corrosion of wrist and hand