2023 ICD-10-CM Diagnosis Code T18.5

Foreign body in anus and rectum

    2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
  • T18.5 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2023 edition of ICD-10-CM T18.5 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of T18.5 - other international versions of ICD-10 T18.5 may differ.
Applicable To
  • Foreign body in rectosigmoid (junction)
The following code(s) above T18.5 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 T18.5:
  • S00-T88
    2023 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
  • T15-T19
    2023 ICD-10-CM Range T15-T19

    Effects of foreign body entering through natural orifice

    Type 2 Excludes
    • foreign body accidentally left in operation wound (T81.5-)
    • foreign body in penetrating wound - See open wound by body region
    • residual foreign body in soft tissue (M79.5)
    • splinter, without open wound - See superficial injury by body region
    Effects of foreign body entering through natural orifice
  • T18
    ICD-10-CM Diagnosis Code T18

    Foreign body in alimentary tract

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • foreign body in pharynx (T17.2-)
    Foreign body in alimentary tract
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
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change

Diagnosis Index entries containing back-references to T18.5:
  • Foreign body
    • alimentary tract T18.9
      ICD-10-CM Diagnosis Code T18.9

      Foreign body of alimentary tract, part unspecified

        2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
      Applicable To
      • Foreign body in digestive system NOS
      • Swallowed foreign body NOS
      • anus T18.5
      • rectosigmoid T18.5 (junction)
      • rectum T18.5
    • entering through orifice
      • anus T18.5
      • rectosigmoid T18.5 (junction)
      • rectum T18.5

ICD-10-CM Codes Adjacent To T18.5
T18.2XXD …… subsequent encounter
T18.2XXS …… sequela
T18.3 Foreign body in small intestine
T18.3XXA …… initial encounter
T18.3XXD …… subsequent encounter
T18.3XXS …… sequela
T18.4 Foreign body in colon
T18.4XXA …… initial encounter
T18.4XXD …… subsequent encounter
T18.4XXS …… sequela
T18.5 Foreign body in anus and rectum
T18.5XXA …… initial encounter
T18.5XXD …… subsequent encounter
T18.5XXS …… sequela
T18.8 Foreign body in other parts of alimentary tract
T18.8XXA …… initial encounter
T18.8XXD …… subsequent encounter
T18.8XXS …… sequela
T18.9 Foreign body of alimentary tract, part unspecified
T18.9XXA …… initial encounter
T18.9XXD …… subsequent encounter

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