All codes
L077
L077 – Diphenylhydantoin, quantitative (Phenytoin, Dilantin)
OHIP Laboratory Medicine Code · Schedule of Benefits
Diphenylhydantoin, quantitative (Phenytoin, Dilantin). Listed under 2.2 Biochemistry in the Schedule of Benefits for Laboratory Services (community laboratories), fee $10.34.
The result of the test, the physician’s interpretation of the results, and the treatment decision based on the test results must be documented in the patient’s permanent medical record.
Usage limits
Limited by the clinical frequency of cervical cancer screening: once per 33-month period for routine screening (increasing to 54 months after April 1, 2028), or more frequently for specific follow-up indications as defined by Ontario cervical cancer screening guidelines (G394).
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