J894Maintenance of wakefulness test
DIAGNOSTIC AND THERAPEUTIC PROCEDURES · SLEEP STUDIES
No listed feeWhat this reference tells you
J894 identifies the Ontario insured service described as “Maintenance of wakefulness test.” The listed fee and rules are reference data; the clinical record must support the service actually performed.
Loaded billing requirements
- 2. A maximum of one J893 and a maximum of one J894 are payable per 12 month period per facility per patient.
Billing detail
Frequency limit recorded in the structured source: 1 service(s) per 12 month(s).
Before using this code
Confirm the current Ministry publication, the patient and provider context, the date of service, and documentation supporting the claim. A searchable reference does not establish eligibility or guarantee payment.