T43.021
Non-billablePoisoning by tetracyclic antidepressants, accidental
Poisoning by tetracyclic antidepressants, accidental (unintentional)
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Poisoning by tetracyclic antidepressants 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)
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)
- drug dependence and related mental and behavioral disorders due to psychoactive substance use (F10.- -F19.-)
Code First
The underlying condition must be sequenced before this code
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)
Also Known As / Clinical Terms
Frequently Asked Questions
What is the ICD-10 code for poisoning by tetracyclic antidepressants, accidental?
The ICD-10-CM code for poisoning by tetracyclic antidepressants, accidental is T43.021. The full clinical description is "Poisoning by tetracyclic antidepressants, accidental (unintentional)". T43.021 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code T43.021 mean?
ICD-10-CM code T43.021 represents "Poisoning by tetracyclic antidepressants, 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 T43.021 a billable code?
No, T43.021 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 T43.021.
What chapter is T43.021 in?
T43.021 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).
What codes cannot be used with T43.021?
T43.021 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 5 more.
What are the subcategories under T43.021?
T43.021 has 3 child codes, including: T43.021A (Poisoning by tetracyclic antidepressants, accidental, init), T43.021D (Poisoning by tetracyclic antidepressants, accidental, subs), T43.021S (Poisoning by tetracyclic antidepress, accidental, sequela).
Are additional codes required with T43.021?
Yes, when using T43.021 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 T43.021?
T43.021 is linked to 2 UMLS Concept Unique Identifiers: C2712377, C2728285. 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.