All codes
L424
L424 – L424
OHIP Dermatology Code · Schedule of Benefits
When to Use
- Use L424 for the laboratory requisition of a complete blood count (CBC) when performed as a standalone diagnostic test.
- Apply this code when ordering a standard hematology profile for routine monitoring of chronic conditions like anemia or medication management.
Common Pitfalls
- Do not bill L424 in addition to a visit fee (A007) if the laboratory work is considered part of the routine assessment or diagnostic workup included in the visit.
- Avoid billing L424 for tests already bundled into a comprehensive panel or when the laboratory service is provided by a hospital-based facility that bills globally.
Billing Tips
- Ensure the laboratory requisition is clearly linked to the diagnostic code that justifies the medical necessity of the CBC to prevent automated rejections.
Provider Fee$5.69
Effective: July 1, 2010
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