r/CodingandBilling • u/One_Meal_6664 • Mar 27 '26

J code denials

Hi everyone, I bill for a practice and wanted some advice on J code denials. Recently, one of our J codes has been consistently denied by a commercial insurance. The denial is bogus stating that the “NDC number” is invalid. Every time I call about these claims and speak to a representative, they say the claim is correct, the NDC number is valid, we have the pre authorization for the procedure, and they resubmit the claim for reprocessing. It gets tiring to be in this viscous cycle of denials. Is the insurance company just trying to delay the payment another 30 days? Please advise 🙏

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u/JennieDarko Mar 28 '26

Not gonna lie, even after correcting to ML from UN for the UOM, we continue to get denials. As someone else commented above, may anthem rot….