T50.Z91
Non-billablePoisoning by oth vaccines and biological substances, acc
Poisoning by other vaccines and biological substances, accidental (unintentional)
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
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 oth vaccines and biological substances, acc?
The ICD-10-CM code for poisoning by oth vaccines and biological substances, acc is T50.Z91. The full clinical description is "Poisoning by other vaccines and biological substances, accidental (unintentional)". T50.Z91 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code T50.Z91 mean?
ICD-10-CM code T50.Z91 represents "Poisoning by other vaccines and biological substances, 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 T50.Z91 a billable code?
No, T50.Z91 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 T50.Z91.
What chapter is T50.Z91 in?
T50.Z91 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).
What codes cannot be used with T50.Z91?
T50.Z91 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 T50.Z91?
T50.Z91 has 3 child codes, including: T50.Z91A (Poisoning by oth vaccines and biolg substances, acc, init), T50.Z91D (Poisoning by oth vaccines and biolg substances, acc, subs), T50.Z91S (Poisoning by oth vaccines and biolg substnc, acc, sequela).
Are additional codes required with T50.Z91?
Yes, when using T50.Z91 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 T50.Z91?
T50.Z91 is linked to 1 UMLS Concept Unique Identifier: C2883957. 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.