JZ - JF Part B

Zero drug amount discarded/not administered to any patient

Instructions

Effective July 1, 2023, providers are required to:

• Report JZ modifier on all claims that bill for drugs separately payable under Part B when there’s no discarded amounts from single-dose containers or single use packages
• The claim line should include the billing and payment HCPCS code describing the drug provided with the JZ modifier appended (no discarded amounts) and the number of units administered

Incorrect Use

• For those using the Competitive Acquisition Program (CAP), this does not apply as it relates to drugs and pharmaceuticals.

Claim Coding Example

Patient required 400 mg. dose Infliximab. Purchased 4 (100 mg. single dose vials) = 400 mg.
Priced at 10 mg. each

Resource

• CMS Discarded Drugs and Biologicals - JW Modifier and JZ Modifier Policy Frequently Asked Questions (FAQs)
• CMS Internet Only Manual (IOM), Publication 100-04, Medicare Claims Processing Manual, Chapter 17, Section 40
• CMS Medicare Learning Network (MLN) Matters (MM) 13056 - New JZ Claims Modifier for Certain Medicare Part B Drugs