Valid NDC format?

Rationale

51151-4253 is the only choice that adheres to the valid NDC format.

The National Drug Code (NDC) format consists of three segments: a labeler code, a product code, and a package code, typically represented as five digits, four digits, and two digits, respectively. The correct NDC format requires hyphenation to separate these segments, and the combination in D meets these criteria precisely.

A (2001-23-3) YOUR ANSWER

This choice does not conform to the NDC format because the first segment contains only four digits instead of the required five. Additionally, the final segment must consist of two digits, making this code invalid.

B (51151-42-53) YOUR ANSWER

While this choice features a five-digit labeler code and a four-digit product code, the last segment consists of three digits instead of the required two. Therefore, this code fails to meet the standard NDC format requirements.

C (20100-2331-2) YOUR ANSWER

This option contains a five-digit labeler code, a four-digit product code, and a two-digit package code, but the second segment exceeds the allowable four digits for the product code, rendering it invalid according to the NDC structure.

D (51151-4253) CORRECT

This choice correctly follows the NDC format with a five-digit labeler code (51151), a four-digit product code (4253), and does not require a package code in this case, as it can be represented without the customary hyphenation for clarity.

Conclusion

The validity of an NDC format relies on adhering to specific segment lengths and proper separation. Among the provided options, only 51151-4253 satisfies the NDC format by maintaining the correct digit count for each segment. Understanding these formatting rules is crucial for accurate drug identification and regulatory compliance.

Valid NDC format?

51151-4253 is the only choice that adheres to the valid NDC format.

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