2019/2020

  1. ICD-10-CM Codes
    2. ›
  2. S00-T88 Injury, poisoning and certain other consequences of external causes
    3. ›
  3. T36-T50 Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances
    4. ›
  4. T47- Poisoning by, adverse effect of and underdosing of agents primarily affecting the gastrointestinal system
    5. ›

2020 ICD-10-CM Diagnosis Code T47

Poisoning by, adverse effect of and underdosing of agents primarily affecting the gastrointestinal system

    2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
  • T47 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • Short description: Agents primarily affecting the gastrointestinal system
  • The 2020 edition of ICD-10-CM T47 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of T47 - other international versions of ICD-10 T47 may differ.
The following code(s) above T47 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 T47:
  • S00-T88
    2020 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
  • T36-T50
    2020 ICD-10-CM Range T36-T50

    Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances

    Code First
    • , for adverse effects, the nature of the adverse effect, such as:
    • adverse effect NOS (T88.7)
    • aspirin gastritis (K29.-)
    • blood disorders (D56-D76)
    • contact dermatitis (L23-L25)
    • dermatitis due to substances taken internally (L27.-)
    • nephropathy (N14.0-N14.2)
    Includes
    • adverse effect of correct substance properly administered
    • poisoning by overdose of substance
    • poisoning by wrong substance given or taken in error
    • underdosing by (inadvertently) (deliberately) taking less substance than prescribed or instructed
    Note
    • The drug giving rise to the adverse effect should be identified by use of codes from categories T36-T50 with fifth or sixth character 5.
    Type 1 Excludes
    • toxic reaction to local anesthesia in pregnancy (O29.3-)
    Type 2 Excludes
    • abuse and dependence of psychoactive substances (F10-F19)
    • abuse of non-dependence-producing substances (F55.-)
    • drug reaction and poisoning affecting newborn (P00-P96)
    • pathological drug intoxication (inebriation) (F10-F19)
    Use Additional
    • code(s) to specify:
    • manifestations of poisoning
    • underdosing or failure in dosage during medical and surgical care (Y63.6, Y63.8-Y63.9)
    • underdosing of medication regimen (Z91.12-, Z91.13-)
    Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances
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
ICD-10-CM Codes Adjacent To T47
T46.994D …… subsequent encounter
T46.994S …… sequela
T46.995 Adverse effect of other agents primarily affecting the cardiovascular system
T46.995A …… initial encounter
T46.995D …… subsequent encounter
T46.995S …… sequela
T46.996 Underdosing of other agents primarily affecting the cardiovascular system
T46.996A …… initial encounter
T46.996D …… subsequent encounter
T46.996S …… sequela
T47 Poisoning by, adverse effect of and underdosing of agents primarily affecting the gastrointestinal system
T47.0 Poisoning by, adverse effect of and underdosing of histamine H2-receptor blockers
T47.0X Poisoning by, adverse effect of and underdosing of histamine H2-receptor blockers
T47.0X1 Poisoning by histamine H2-receptor blockers, accidental (unintentional)
T47.0X1A …… initial encounter
T47.0X1D …… subsequent encounter
T47.0X1S …… sequela
T47.0X2 Poisoning by histamine H2-receptor blockers, intentional self-harm
T47.0X2A …… initial encounter
T47.0X2D …… subsequent encounter
T47.0X2S …… sequela

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

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