Question 1

What is OHIP billing code L531?

Accepted Answer

L531 is "Complement components (activity assays)", an OHIP Laboratory Medicine code from the Ontario Schedule of Benefits (Physician Services).

Question 2

How much does L531 pay?

Accepted Answer

The current OHIP fee for L531 is $31.02, effective 2010-07-01, per the Ontario Schedule of Benefits.

Question 3

How do I bill L531 to OHIP?

Accepted Answer

L531 is submitted through OHIP's MCEDT claims system, either directly or via billing software. SnapBill validates L531 claims against the Schedule of Benefits rules before submission.

L531 – Complement components (activity assays)

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