T50.A9
Non-billableBacterial vaccines
Poisoning by, adverse effect of and underdosing of other bacterial vaccines
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 (6)
T50.A91Poisoning by oth bacterial vaccines, accidental
T50.A92Poisoning by other bacterial vaccines, intentional self-harm
T50.A93Poisoning by other bacterial vaccines, assault
T50.A94Poisoning by other bacterial vaccines, undetermined
T50.A95Adverse effect of other bacterial vaccines
T50.A96Underdosing of other bacterial vaccines
Also Known As / Clinical Terms
Frequently Asked Questions
What is the ICD-10 code for bacterial vaccines?
The ICD-10-CM code for bacterial vaccines is T50.A9. The full clinical description is "Poisoning by, adverse effect of and underdosing of other bacterial vaccines". T50.A9 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code T50.A9 mean?
ICD-10-CM code T50.A9 represents "Poisoning by, adverse effect of and underdosing of other bacterial vaccines". 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.A9 a billable code?
No, T50.A9 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 T50.A9.
What chapter is T50.A9 in?
T50.A9 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).
What codes cannot be used with T50.A9?
T50.A9 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.A9?
T50.A9 has 6 child codes, including: T50.A91 (Poisoning by oth bacterial vaccines, accidental), T50.A92 (Poisoning by other bacterial vaccines, intentional self-harm), T50.A93 (Poisoning by other bacterial vaccines, assault), T50.A94 (Poisoning by other bacterial vaccines, undetermined), and 2 more.
Are additional codes required with T50.A9?
Yes, when using T50.A9 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.A9?
T50.A9 is linked to 1 UMLS Concept Unique Identifier: C2883804. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
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.