646 OHIP code: Other complications of pregnancy (e.g., vulvitis, vaginitis, cervicitis, pyelitis, cystitis)

646 is the OHIP diagnostic code for “Other complications of pregnancy (e.g., vulvitis, vaginitis, cervicitis, pyelitis, cystitis)” in Ontario Ministry of Health’s March 2026 release, in effect from Mar 13, 2026.

Official description

646

Other complications of pregnancy (e.g., vulvitis, vaginitis, cervicitis, pyelitis, cystitis)

OHIP diagnostic codes (ICD-9) · Ontario

Notes for 646

Ontario Ministry of Health’s list gives no includes, excludes or other notes for 646 or the headings above it.

Where 646 sits

  1. 1SectionComplications of Pregnancy, Childbirth and the Puerperium
  2. 2Valid code 646Other complications of pregnancy (e.g., vulvitis, vaginitis, cervicitis, pyelitis, cystitis)

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 646 mean?

646 is the OHIP diagnostic code for “Other complications of pregnancy (e.g., vulvitis, vaginitis, cervicitis, pyelitis, cystitis)” in Ontario Ministry of Health’s OHIP March 2026 release.

Where is 646 in the OHIP list?

646 is listed under Complications of Pregnancy, Childbirth and the Puerperium.

What coding notes apply to 646?

Ontario Ministry of Health’s list gives no includes, excludes or other notes for 646 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.