J1558 HCPCS Level II code: Injection, immune globulin (xembify), 100 mg
J1558 is the HCPCS code for “Injection, immune globulin (xembify), 100 mg” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
J1558Injection, immune globulin (xembify), 100 mg
Short description: Inj. xembify, 100 mg
HCPCS · United States
Medicare details
The indicators CMS publishes with J1558 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Medicare pricing
- Drugs
- ASC
- Approved for ambulatory surgical centers
- Type of service
- Medical care; Lump sum purchase of DME, prosthetics, orthotics
- BETOS category
- Other drugs
- Added
- Jul 1, 2020
Where J1558 sits
- 1J codesDrugs administered other than orally
- 2Active code J1558Injection, immune globulin (xembify), 100 mg
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 J1558 mean?
J1558 is the HCPCS code for “Injection, immune globulin (xembify), 100 mg” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover J1558?
CMS lists J1558’s Medicare coverage as “Carrier judgment” and its pricing as “Drugs”. 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.
Codes beside J1558
All J codesJ1552Injection, immune globulin (alyglo), 500 mgJ1553Injection, immune globulin (yimmugo), 100 mgJ1554Injection, immune globulin (asceniv), 500 mgJ1555Injection, immune globulin (cuvitru), 100 mgJ1556Injection, immune globulin (bivigam), 500 mgJ1557Injection, immune globulin, (gammaplex), intravenous, non-lyophilized (e.g., liquid), 500 mgJ1559Injection, immune globulin (hizentra), 100 mgJ1560Injection, gamma globulin, intramuscular, over 10 ccJ1561Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mgJ1562Injection, immune globulin (vivaglobin), 100 mgJ1566Injection, immune globulin, intravenous, lyophilized (e.g., powder), not otherwise specified, 500 mgJ1568Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg