JWHCPCS Level II
Drug amount discarded/not administered to any patient
- Usage notes
- Append to a drug HCPCS code, on a separate line, to report the portion of a single-use vial that was drawn up but not administered and had to be discarded.
- Common mistakes
- Combining the administered and discarded amounts on one line instead of splitting them into two lines (one plain, one with JW), which misreports the actual dose given.
Related modifiers
J1Competitive acquisition program no-pay submission for a prescription numberJ2Competitive acquisition program, restocking of emergency drugs after emergencyJ3Competitive acquisition program (cap), drug not available through cap asJ4Dmepos item subject to dmepos competitive bidding program that is furnished byJ5Off-the-shelf orthotic subject to dmepos competitive bidding program that isJAAdministered intravenouslyJBAdministered subcutaneouslyJCSkin substitute used as a graft
Frequently asked questions
What does modifier JW mean?
Drug amount discarded/not administered to any patient
When do I use modifier JW?
Append to a drug HCPCS code, on a separate line, to report the portion of a single-use vial that was drawn up but not administered and had to be discarded.
What's a common mistake with modifier JW?
Combining the administered and discarded amounts on one line instead of splitting them into two lines (one plain, one with JW), which misreports the actual dose given.
HCPCS modifier data from CMS. CPT® is a registered trademark of the American Medical Association — CPT modifier descriptions are not included on this site. Always verify codes with authoritative sources before making billing decisions.