2021 ICD-10-CM Diagnosis Code T23.492

Corrosion of unspecified degree of multiple sites of left wrist and hand

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • T23.492 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • Short description: Corrosion of unsp deg mult sites of left wrist and hand
  • The 2021 edition of ICD-10-CM T23.492 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of T23.492 - other international versions of ICD-10 T23.492 may differ.
The following code(s) above T23.492 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to T23.492:
  • S00-T88
    2021 ICD-10-CM Range S00-T88

    Injury, poisoning and certain other consequences of external causes

    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
    Type 1 Excludes
    Use Additional
    • code to identify any retained foreign body, if applicable (Z18.-)
    Injury, poisoning and certain other consequences of external causes
  • T20-T25
    2021 ICD-10-CM Range T20-T25

    Burns and corrosions of external body surface, specified by site

    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 from category T31 or T32 to identify extent of body surface involved
    Burns and corrosions of external body surface, specified by site
  • T23.4
    ICD-10-CM Diagnosis Code T23.4

    Corrosion of unspecified degree of wrist and hand

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Code First
    • (T51-T65) to identify chemical and intent
    Use Additional
    • external cause code to identify place (Y92)
    Corrosion of unspecified degree of wrist and hand
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change

Diagnosis Index entries containing back-references to T23.492:
  • Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal) T30.4
    ICD-10-CM Diagnosis Code T30.4

    Corrosion of unspecified body region, unspecified degree

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • This code is not for inpatient use. Code to specified site and degree of corrosion
    • Corrosion NOS
    • Multiple corrosion NOS
    • hand(s) T23.409
      ICD-10-CM Diagnosis Code T23.409

      Corrosion of unspecified degree of unspecified hand, unspecified site

        2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
      • multiple sites with wrist T23.499
        ICD-10-CM Diagnosis Code T23.499

        Corrosion of unspecified degree of multiple sites of unspecified wrist and hand

          2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    • wrist T23.479
      ICD-10-CM Diagnosis Code T23.479

      Corrosion of unspecified degree of unspecified wrist

        2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
      • multiple sites with hand T23.499
        ICD-10-CM Diagnosis Code T23.499

        Corrosion of unspecified degree of multiple sites of unspecified wrist and hand

          2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code

ICD-10-CM Codes Adjacent To T23.492
T23.472S …… sequela
T23.479 Corrosion of unspecified degree of unspecified wrist
T23.479A …… initial encounter
T23.479D …… subsequent encounter
T23.479S …… sequela
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
T23.491A …… initial encounter
T23.491D …… subsequent encounter
T23.491S …… sequela
T23.492 Corrosion of unspecified degree of multiple sites of left wrist and hand
T23.492A …… initial encounter
T23.492D …… subsequent encounter
T23.492S …… sequela
T23.499 Corrosion of unspecified degree of multiple sites of unspecified wrist and hand
T23.499A …… initial encounter
T23.499D …… subsequent encounter
T23.499S …… sequela
T23.5 Corrosion of first degree of wrist and hand
T23.50 Corrosion of first degree of hand, unspecified site
T23.501 Corrosion of first degree of right hand, unspecified site

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.