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Revenue Cycle & Billing

National Drug Code (NDC)

The National Drug Code (NDC) is a unique FDA-assigned identifier for each marketed medication, encoding the manufacturer, product, and package size. It is required on claims for drug billing, supporting accurate reimbursement and inventory tracking in surgical settings.

What is the National Drug Code (NDC)?

The National Drug Code (NDC) is a unique identifier assigned under the U.S. Food and Drug Administration (FDA) framework to each marketed drug product. Its segments encode the labeler or manufacturer, the specific product including strength and formulation, and the package size.

This standardized code provides a precise way to identify exactly which medication, in which presentation, is being referenced. It appears on drug packaging and is carried through ordering, dispensing, and billing systems.

What role does the NDC play in the revenue cycle?

For drugs that are separately billable, payers frequently require the correct NDC on the claim to adjudicate and reimburse accurately, often alongside procedure codes and units. An incorrect or missing NDC is a common reason drug charges are denied or underpaid.

In a surgery center that administers injectables, implants, or other billable medications, accurate NDC reporting supports proper reimbursement and reliable inventory tracking. Aligning the dispensed product, its units, and the reported code is a routine but important part of clean claim submission.

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