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Using National
Drug Codes
Correctly Can
Reduce Claim Denials

Although new requirements for coding of physician-administered drugs were enacted on January 1, 69 percent of physician claims have been denied, totaling $2.5 million.

Physicians are now required to include on their claims the drug’s corresponding National Drug Code (NDC). This code was required by the federal Deficit Reduction Act, and it applies to all Medicaid fee-for-service, Primary Care Case Management (PCCM), Family Planning, and Children with Special Health Care Needs (CSHCN) claims for physicianadministered outpatient drugs with drug procedure codes listed on the Palmetto GBA “NDC to HCPCS Crosswalk.” Drug claims submitted with procedure codes in the “A” code series will not require an NDC.

Drug claims requiring the NDC can no longer be submitted through TDHconnect.

Rejected claims can be paid on appeal if the physician resubmits the claims with the correct NDC, but to avoid further denials, which cost time and money, the Texas Medical Association wants to remind physicians of the guidelines for correctly coding their claims.

Listed below are specific instructions for entering the NDC on the UB-04, CMS-1500, and Family Planning 2017 claim forms.

UB-04, Box 43
Enter the NDC qualifier “N4” in the first two positions (left-justified) followed by the 11-digit NDC number. After the last digit of the NDC, enter the unit of measurement qualifier, followed by the unit of quantity with a floating decimal for fractional units limited to three digits (to the right of the decimal).

Any spaces that are not used for the quantity should be left blank. Do not enter hyphens or spaces within the NDC number. The NDC number submitted to Medicaid must be the NDC number on the package or container from which the medication was administered.


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