T42.4X
Non-billableBenzodiazepines
Poisoning by, adverse effect of and underdosing of benzodiazepines
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
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 (6)
Also Known As / Clinical Terms
Frequently Asked Questions
What is the ICD-10 code for benzodiazepines?
The ICD-10-CM code for benzodiazepines is T42.4X. The full clinical description is "Poisoning by, adverse effect of and underdosing of benzodiazepines". T42.4X is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code T42.4X mean?
ICD-10-CM code T42.4X represents "Poisoning by, adverse effect of and underdosing of benzodiazepines". 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 T42.4X a billable code?
No, T42.4X is a non-billable header code. You need to use one of its more specific child codes for billing. There are 6 child codes under T42.4X.
What chapter is T42.4X in?
T42.4X is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).
What codes cannot be used with T42.4X?
T42.4X 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 T42.4X?
T42.4X has 6 child codes, including: T42.4X1 (Poisoning by benzodiazepines, accidental (unintentional)), T42.4X2 (Poisoning by benzodiazepines, intentional self-harm), T42.4X3 (Poisoning by benzodiazepines, assault), T42.4X4 (Poisoning by benzodiazepines, undetermined), and 2 more.
Are additional codes required with T42.4X?
Yes, when using T42.4X 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 T42.4X?
T42.4X is linked to 1 UMLS Concept Unique Identifier: C2878140. 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.