U.S. ICD-10-CM · FY 2027

Y21-Y33 ICD-10-CM Codes: Event of undetermined intent

Browse the official section hierarchy and 145 code records in Vero’s FY 2027 U.S. ICD-10-CM reference dataset.

Official classification

About this section

Y21-Y33

Event of undetermined intent

Chapter 20 · External causes of morbidity (V00-Y99)

Category index

Categories in Y21-Y33

Open a category to browse its progressively more specific child codes. This hierarchy gives you access to all 145 records in the section.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This section reference is generated from Vero’s repository-backed ICD-10-CM section, description, and hierarchy datasets. The visible range, record count, links, FAQs, and structured data share those sources.

Review the CDC/NCHS ICD-10-CM source

Section guidance

Frequently asked questions

What does the ICD-10-CM range Y21-Y33 include?

Y21-Y33 is the FY 2027 U.S. ICD-10-CM section for “Event of undetermined intent.” This page lists 145 records from Vero’s repository-backed dataset.

Which ICD-10-CM chapter contains Y21-Y33?

Y21-Y33 is listed in Chapter 20, External causes of morbidity (V00-Y99).

How many ICD-10-CM records are listed in Y21-Y33?

Vero’s FY 2027 reference dataset contains 145 records in Y21-Y33. Use the individual code pages to review descriptions, hierarchy, and coding notes.

Is Y21-Y33 itself a billable ICD-10-CM code?

Y21-Y33 is a section range, not a billable diagnosis code. Select the most specific code supported by the documentation and confirm the active code set and payer requirements.

Ready to transform your clinical documentation?

Join Vero and see how effortless documentation can be.

  • No credit card required

  • Cancel anytime