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T50.B16

Non-billable

Underdosing of smallpox vaccines

T50.B16 is the ICD-10-CM code for Underdosing of smallpox vaccines. It is a non-billable category code — use a more specific child code such as T50.B16A for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
T50.B1
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.B16?
T50.B16 is the ICD-10-CM code for "Underdosing of smallpox vaccines". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is T50.B16 a billable code?
No — T50.B16 is a non-billable header code. Use a more specific child code (such as T50.B16A) for billing.
What are the subcodes of T50.B16?
T50.B16 has 3 more specific child codes, including T50.B16A, T50.B16D, T50.B16S.

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

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