523 OHIP code: Diseases of Oral Cavity, Salivary Glands, and Jaws: Gingivitis, periodontal disease
523 is the OHIP diagnostic code for “Diseases of Oral Cavity, Salivary Glands, and Jaws: Gingivitis, periodontal disease” in Ontario Ministry of Health’s March 2026 release, in effect from Mar 13, 2026.
Official description
523Diseases of Oral Cavity, Salivary Glands, and Jaws: Gingivitis, periodontal disease
OHIP diagnostic codes (ICD-9) · Ontario
Notes for 523
Ontario Ministry of Health’s list gives no includes, excludes or other notes for 523 or the headings above it.
Where 523 sits
- 1SectionDiseases of the Digestive System
- 2Valid code 523Diseases of Oral Cavity, Salivary Glands, and Jaws: Gingivitis, periodontal disease
Source and release
- Data release
- OHIP · March 2026
- Effective date
- Mar 13, 2026
- Publisher
- Ontario Ministry of Health
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 523 mean?
523 is the OHIP diagnostic code for “Diseases of Oral Cavity, Salivary Glands, and Jaws: Gingivitis, periodontal disease” in Ontario Ministry of Health’s OHIP March 2026 release.
Where is 523 in the OHIP list?
523 is listed under Diseases of the Digestive System.
What coding notes apply to 523?
Ontario Ministry of Health’s list gives no includes, excludes or other notes for 523 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.