T46.3

Non-billable

Coronary vasodilators

Poisoning by, adverse effect of and underdosing of coronary vasodilators

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

T36-T50

Parent Code

T46

Child Codes

1

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Poisoning by, adverse effect of and underdosing of dipyridamole

Includes

Conditions included under this code

  • 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

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • birth trauma (P10-P15)
  • obstetric trauma (O70-O71)
  • toxic reaction to local anesthesia in pregnancy (O29.3-)
  • poisoning by, adverse effect of and underdosing of metaraminol (T44.4)
  • poisoning by, adverse effect of and underdosing of
  • calcium-channel blockers (T46.1)

Excludes 2

Conditions not included here, but the patient may have both

  • abuse and dependence of psychoactive substances (F10-F19)
  • abuse of non-dependence-producing substances (F55.-)
  • immunodeficiency due to drugs (D84.821)
  • drug reaction and poisoning affecting newborn (P00-P96)
  • pathological drug intoxication (inebriation) (F10-F19)

Code First

The underlying condition must be sequenced before this code

  • , 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)

Use Additional Code

Additional codes that should follow this code

  • code to identify any retained foreign body, if applicable (Z18.-)
  • 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-)

Child Codes (1)

Also Known As / Clinical Terms

Frequently Asked Questions

What is ICD-10 code T46.3?

ICD-10-CM code T46.3 represents "Poisoning by, adverse effect of and underdosing of coronary vasodilators". It is a non-billable header code — use a more specific child code for billing purposes.

Is T46.3 a billable code?

No, T46.3 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 1 child codes under T46.3.

What chapter is T46.3 in?

T46.3 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).

What codes cannot be used with T46.3?

T46.3 has Excludes1 notes indicating codes that cannot be used together with it, including: birth trauma (P10-P15); obstetric trauma (O70-O71); toxic reaction to local anesthesia in pregnancy (O29.3-); and 3 more.

What are the subcategories under T46.3?

T46.3 has 1 child code, including: T46.3X (Coronary vasodilators).

Are additional codes required with T46.3?

Yes, when using T46.3 you should also code: code to identify any retained foreign body, if applicable (Z18.-); 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-).

What are the UMLS CUIs for T46.3?

T46.3 is linked to 2 UMLS Concept Unique Identifiers: C2879460, C2879459. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.