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Y33.XXXS ✓ Billable

Other specified events, undetermined intent, sequela

ICD-10-CM · FY2026 · External Causes of Morbidity

Code

Y33.XXXS

System

ICD-10-CM

Billable

Yes — valid for submission

Effective

FY2026

Chapter

External Causes of Morbidity

Source

CMS / CDC NCHS

⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Frequently asked questions

What is ICD-10 code Y33.XXXS?

ICD-10-CM code Y33.XXXS represents Other specified events, undetermined intent, sequela. It is a billable diagnosis code in the External Causes of Morbidity chapter, effective October 1, 2025 – September 30, 2026.

Is Y33.XXXS billable?

Yes. Y33.XXXS is a valid billable ICD-10-CM code for insurance claims and clinical documentation.

What chapter is Y33.XXXS in?

Y33.XXXS belongs to the External Causes of Morbidity chapter (V00–Y99) of ICD-10-CM.

Related codes in the Y33 category

Y33 Other specified events, undetermined intent Non-billable Y33.XXXA Other specified events, undetermined intent, initial encounter Billable Y33.XXXD Other specified events, undetermined intent, subsequent encounter Billable

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