JL HCPCS Level II modifier: Three month supply of drug or biological

JL is a HCPCS Level II modifier: “Three month supply of drug or biological.” It adds this detail to the code it is reported with.

Official description

JL

Three month supply of drug or biological

Short description: Drug 3 month supply

HCPCS · United States

Medicare details

The indicators CMS publishes with JL in its October 2026 file. They describe Medicare’s handling, not another payer’s.

Medicare coverage
Carrier judgment
Added
Apr 1, 2023

Where JL sits

  1. 1GroupHCPCS modifiers
  2. 2Modifier JLThree month supply of drug or biological

Source and release

Data release
HCPCS Level II · October 2026
Effective date
Oct 1, 2026
Publisher
CMS

This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

Frequently asked questions

What does HCPCS code JL mean?

JL is the HCPCS code for “Three month supply of drug or biological” in CMS’s HCPCS Level II October 2026 release.

Where is JL in the HCPCS Level II list?

JL is listed under Modifiers.

Does Medicare cover JL?

CMS lists JL’s Medicare coverage as “Carrier judgment”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.

Which HCPCS Level II release does this page use?

It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.