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T50.Z94

Non-billable

Poisoning by other vaccines and biological substances, undetermined

T50.Z94 is the ICD-10-CM code for Poisoning by other vaccines and biological substances, undetermined. It is a non-billable category code — use a more specific child code such as T50.Z94A for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
T50.Z9
Subcodes
3
Edition
FY2026

S00-T88 Injury, poisoning and certain other consequences of external causes

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code T50.Z94?
T50.Z94 is the ICD-10-CM code for "Poisoning by other vaccines and biological substances, undetermined". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is T50.Z94 a billable code?
No — T50.Z94 is a non-billable header code. Use a more specific child code (such as T50.Z94A) for billing.
What are the subcodes of T50.Z94?
T50.Z94 has 3 more specific child codes, including T50.Z94A, T50.Z94D, T50.Z94S.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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