All codes
X409
X409 – CT Abdomen - without IV contrast
OHIP Laboratory Code — DIAGNOSTIC RADIOLOGY · Schedule of Benefits
When to Use
- Use X409 for routine abdominal imaging where intravenous contrast is contraindicated due to renal insufficiency or severe allergy.
- Use X409 for non-contrast screening or follow-up of known renal calculi or calcified abdominal pathology where contrast would obscure the findings.
- Use X409 for patients requiring abdominal imaging who do not meet the clinical criteria for contrast-enhanced studies (e.g., X410).
Common Pitfalls
- Billing X409 in conjunction with X234 (CT colonography) will result in an automatic rejection as they are mutually exclusive codes.
- Attempting to bill X409 for a study that required intravenous contrast; if contrast was administered, you must use the appropriate contrast-enhanced code (e.g., X410) instead.
- Failing to account for the technical component payment adjustment rules if the patient is admitted to the hospital within 24 hours of the scan for the same condition.
Billing Tips
- Ensure the referral documentation clearly justifies the omission of contrast to support the use of X409 over contrast-enhanced alternatives.
- If performing this procedure after hours or on weekends in an acute care setting, verify eligibility for the appropriate Special Visit Premium (e.g., C102, C104) to maximize the claim value.
Ready to bill this code?
SnapBill makes OHIP billing simple — auto-filled codes, validation, and batch submission.