307 OHIP code: Sleep-Wake disorders (Insomnia, Hypersomnolence, Narcolepsy, circadian rhythm disorders, Parasomnias, Restless Leg Syndrome)

307 is the OHIP diagnostic code for “Sleep-Wake disorders (Insomnia, Hypersomnolence, Narcolepsy, circadian rhythm disorders, Parasomnias, Restless Leg Syndrome)” in Ontario Ministry of Health’s March 2026 release, in effect from Mar 13, 2026.

Official description

307

Sleep-Wake disorders (Insomnia, Hypersomnolence, Narcolepsy, circadian rhythm disorders, Parasomnias, Restless Leg Syndrome)

OHIP diagnostic codes (ICD-9) · Ontario

Notes for 307

Ontario Ministry of Health’s list gives no includes, excludes or other notes for 307 or the headings above it.

Where 307 sits

  1. 1SectionMental and Behavioural Disorders
  2. 2Valid code 307Sleep-Wake disorders (Insomnia, Hypersomnolence, Narcolepsy, circadian rhythm disorders, Parasomnias, Restless Leg Syndrome)

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 307 mean?

307 is the OHIP diagnostic code for “Sleep-Wake disorders (Insomnia, Hypersomnolence, Narcolepsy, circadian rhythm disorders, Parasomnias, Restless Leg Syndrome)” in Ontario Ministry of Health’s OHIP March 2026 release.

Where is 307 in the OHIP list?

307 is listed under Mental and Behavioural Disorders.

What coding notes apply to 307?

Ontario Ministry of Health’s list gives no includes, excludes or other notes for 307 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.