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. T46- Poisoning by, adverse effect of and underdosing of agents primarily affecting the cardiovascular system
    5. ›
  5. 2020 ICD-10-CM Diagnosis Code T46.904D

2020 ICD-10-CM Diagnosis Code T46.904D

Poisoning by unspecified agents primarily affecting the cardiovascular system, undetermined, subsequent encounter

    2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
  • T46.904D is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Poisoning by unsp agents aff the cardiovasc sys, undet, subs
  • The 2020 edition of ICD-10-CM T46.904D became effective on October 1, 2019.
  • This is the American ICD-10-CM version of T46.904D - other international versions of ICD-10 T46.904D may differ.
The following code(s) above T46.904D 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 T46.904D:
  • 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
  • T46
    ICD-10-CM Diagnosis Code T46

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

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • poisoning by, adverse effect of and underdosing of metaraminol (T44.4)
    Poisoning by, adverse effect of and underdosing of agents primarily affecting the cardiovascular system
Present On Admission
POA Help
"Present On Admission" is defined as present at the time the order for inpatient admission occurs — conditions that develop during an outpatient encounter, including emergency department, observation, or outpatient surgery, are considered POA.
  • T46.904D is considered exempt from POA reporting.
ICD-10-CM T46.904D is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 949 Aftercare with cc/mcc
  • 950 Aftercare without cc/mcc

Convert T46.904D to ICD-9-CM

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 T46.904D
T46.902 Poisoning by unspecified agents primarily affecting the cardiovascular system, intentional self-harm
T46.902A …… initial encounter
T46.902D …… subsequent encounter
T46.902S …… sequela
T46.903 Poisoning by unspecified agents primarily affecting the cardiovascular system, assault
T46.903A …… initial encounter
T46.903D …… subsequent encounter
T46.903S …… sequela
T46.904 Poisoning by unspecified agents primarily affecting the cardiovascular system, undetermined
T46.904A …… initial encounter
T46.904D …… subsequent encounter
T46.904S …… sequela
T46.905 Adverse effect of unspecified agents primarily affecting the cardiovascular system
T46.905A …… initial encounter
T46.905D …… subsequent encounter
T46.905S …… sequela
T46.906 Underdosing of unspecified agents primarily affecting the cardiovascular system
T46.906A …… initial encounter
T46.906D …… subsequent encounter
T46.906S …… sequela
T46.99 Poisoning by, adverse effect of and underdosing of other agents primarily affecting the cardiovascular system

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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