J1558 HCPCS Level II Code: Injection, immune globulin (xembify), 100 mg
Coding at a Glance
- Drug products
- 4 NDC products
Medicare Coverage & Payment
- CMS short descriptor: Inj. xembify, 100 mg
- Medicare coverage: Carrier judgment (CMS coverage code C)
- Payment category: Drugs (pricing indicator 51)
- BETOS: O1E — Other drugs
- Last CMS action effective: July 1, 2020
Source: CMS HCPCS Level II release. Coverage codes indicate how Medicare treats the code, not whether a specific claim will be paid; payer policy and documentation still govern.
Drug products (NDC)
CMS ASP NDC-HCPCS Crosswalk · 2026 Q3
Medicare Part B payment limit (ASP + 6%): $15.24
13533-0810-05 — Xembify — Grifols USA, LLC (size 5 × qty 1 (100 MG per billing unit))
13533-0810-10 — Xembify — Grifols USA, LLC (size 10 × qty 1 (100 MG per billing unit))
13533-0810-20 — Xembify — Grifols USA, LLC (size 20 × qty 1 (100 MG per billing unit))
13533-0810-50 — Xembify — Grifols USA, LLC (size 50 × qty 1 (100 MG per billing unit))
From the CMS ASP NDC-HCPCS Crosswalk and Part B Payment Limit File. Payment limits apply per HCPCS billing code, not per package.
Contextual Map
Every relationship of J1558 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
Nearest codes (29)
- J1551 — Injection, immune globulin (cutaquig), 100 mg[Sibling]— CMS HCPCS Level II code set
- J1552 — Injection, immune globulin (alyglo), 500 mg[Sibling]— CMS HCPCS Level II code set
- J1553 — Injection, immune globulin (yimmugo), 100 mg[Sibling]— CMS HCPCS Level II code set
- J1554 — Injection, immune globulin (asceniv), 500 mg[Sibling]— CMS HCPCS Level II code set
- J1555 — Injection, immune globulin (cuvitru), 100 mg[Sibling]— CMS HCPCS Level II code set
- J1556 — Injection, immune globulin (bivigam), 500 mg[Sibling]— CMS HCPCS Level II code set
- J1557 — Injection, immune globulin, (gammaplex), intravenous, non-lyophilized (e.g., liquid), 500 mg[Sibling]— CMS HCPCS Level II code set
- J1559 — Injection, immune globulin (hizentra), 100 mg[Sibling]— CMS HCPCS Level II code set
- and 21 more
Change history
- July 1, 2020 — Added to the code set [Change history]— CMS release files (code change ledger)
Sources for this page
Codes, titles, notes, index terms and mappings on this page are transcribed from the datasets below. Relationships MedCoder computed and text MedCoder wrote are labelled where they appear.
- Code, descriptors, coverage and pricing attributes Official source data
- CMS HCPCS Alpha-Numeric (ANWEB) release — July 2026 quarterly update Release, file and checksum · Publisher’s page
- Drug products Official source data
- CMS Medicare Part B Drug Average Sales Price (ASP) Pricing Files (cms.gov/medicare/payment/part-b-drugs/asp-pricing-files) -- the NDC-HCPCS crosswalk and Part B payment limit files — 2026 Q3 (July 2026 release); FDA National Drug Code Directory, product.txt and package.txt (accessdata.fda.gov/cder/ndctext.zip) — Snapshot retrieved 2026-08-24, loaded 2026-08-24 Release, file and checksum · Publisher’s page
- Change history and date-of-service validity Official source data
- CMS HCPCS quarterly update files, ingested into the change ledger Release, file and checksum · Publisher’s page
- Comparisons, relationships and the contextual map MedCoder structured relationship
- Computed by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears
- Summary and FAQ answers MedCoder explanation
- Written by MedCoder to explain the sources above: drafted with AI assistance, checked by a person against the release files, and labelled as MedCoder text where it appears. Not official text.
Labels on this page: Official source data · MedCoder structured relationship · MedCoder explanation. How to read the labels · All data sources and release dates
Change history
- July 1, 2020Added to the code setInjection, immune globulin (xembify), 100 mg
Nearest Codes in This Family
Official HCPCS Level II classifications closest to J1558 in its code family, with their registry titles.
- J1553 — Injection, immune globulin (yimmugo), 100 mg
- J1554 — Injection, immune globulin (asceniv), 500 mg
- J1555 — Injection, immune globulin (cuvitru), 100 mg
- J1556 — Injection, immune globulin (bivigam), 500 mg
- J1557 — Injection, immune globulin, (gammaplex), intravenous, non-lyophilized (e.g., liquid), 500 mg
- J1559 — Injection, immune globulin (hizentra), 100 mg
- J1560 — Injection, gamma globulin, intramuscular, over 10 cc
- J1561 — Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mg
- J1562 — Injection, immune globulin (vivaglobin), 100 mg
- J1566 — Injection, immune globulin, intravenous, lyophilized (e.g., powder), not otherwise specified, 500 mg