474 OHIP code: Hypertrophy or chronic infection of tonsils and/or adenoids

474 is the OHIP diagnostic code for “Hypertrophy or chronic infection of tonsils and/or adenoids” in Ontario Ministry of Health’s March 2026 release, in effect from Mar 13, 2026.

Official description

474

Hypertrophy or chronic infection of tonsils and/or adenoids

OHIP diagnostic codes (ICD-9) · Ontario

Notes for 474

Ontario Ministry of Health’s list gives no includes, excludes or other notes for 474 or the headings above it.

Where 474 sits

  1. 1SectionDiseases of the Respiratory System
  2. 2Valid code 474Hypertrophy or chronic infection of tonsils and/or adenoids

Source and release

Data release
OHIP · March 2026
Effective date
Mar 13, 2026

This page is built from the OHIP catalog that Vero Codes reads when it suggests codes: Ontario Ministry of Health’s March 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

Frequently asked questions

What does OHIP diagnostic code 474 mean?

474 is the OHIP diagnostic code for “Hypertrophy or chronic infection of tonsils and/or adenoids” in Ontario Ministry of Health’s OHIP March 2026 release.

Where is 474 in the OHIP list?

474 is listed under Diseases of the Respiratory System.

What coding notes apply to 474?

Ontario Ministry of Health’s list gives no includes, excludes or other notes for 474 or the headings above it.

Which OHIP release does this page use?

It uses Ontario Ministry of Health’s March 2026 release, in effect from Mar 13, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.