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T45.521

Non-billable

Poisoning by antithrombotic drugs, accidental

Poisoning by antithrombotic drugs, accidental (unintentional)

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

T45.52

Child Codes

3

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Poisoning by antithrombotic drug NOS

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-)

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)
  • poisoning by, adverse effect of and underdosing of aspirin (T39.01-)
  • poisoning by, adverse effect of and underdosing of acetylsalicylic acid (T39.01-)

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 (3)

T45.521A

Poisoning by antithrombotic drugs, accidental, init

BillableT45.521D

Poisoning by antithrombotic drugs, accidental, subs

BillableT45.521S

Poisoning by antithrombotic drugs, accidental, sequela

Billable

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is the ICD-10 code for poisoning by antithrombotic drugs, accidental?

The ICD-10-CM code for poisoning by antithrombotic drugs, accidental is T45.521. The full clinical description is "Poisoning by antithrombotic drugs, accidental (unintentional)". T45.521 is a non-billable header code. Use a more specific child code for billing purposes.

What does ICD-10 code T45.521 mean?

ICD-10-CM code T45.521 represents "Poisoning by antithrombotic drugs, accidental (unintentional)". It is classified under Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes and is a non-billable header code. Use a more specific child code for billing purposes.

Is T45.521 a billable code?

No, T45.521 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under T45.521.

What chapter is T45.521 in?

T45.521 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).

What codes cannot be used with T45.521?

T45.521 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-).

What are the subcategories under T45.521?

T45.521 has 3 child codes, including: T45.521A (Poisoning by antithrombotic drugs, accidental, init), T45.521D (Poisoning by antithrombotic drugs, accidental, subs), T45.521S (Poisoning by antithrombotic drugs, accidental, sequela).

Are additional codes required with T45.521?

Yes, when using T45.521 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 T45.521?

T45.521 is linked to 2 UMLS Concept Unique Identifiers: C2879173, C3507189. 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.