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Q4 2026Public CMS & FDA data, traced to the source file

Find the code. Count the units. Trace every number.

Drug coding and reimbursement intelligence, simplified. HCPCS codes, NDC billing units, CMS crosswalks, and Medicare Part B payment limits for clinician-administered drugs.

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HCPCS Level II codes
8,770
2,060 drug-related
Drugs indexed
2,429
from the FDA NDC Directory
NDC packages
16,087
listed and CMS-crosswalked
Part B payment limits
886
effective Q4 2026

Tools for the infusion workflow

From the chair to the chargemaster: units and claim lines, then audits, margins, biosimilars, and what changed this quarter.

All tools

How CodeRx works

  1. Search anything

    Brand or generic name, any HCPCS code, an NDC in any format, or a manufacturer. Suggestions are grouped and explain why they matched.

  2. Read the coding

    See the descriptor, billing unit, code family, effective and termination dates, NDC packages with billable units, and Medicare payment limits.

  3. Verify the source

    Every section names the CMS or FDA file it came from, its effective period, when it was published and imported, and links to the original.

Built for people who submit the claim

Pharmacists, infusion centers, coders, revenue-cycle and prior-authorization teams — anyone who needs the code, the unit, and the evidence.

  • Official NDC ↔ HCPCS links only

    Package-to-code relationships come from CMS crosswalk rows — never inferred from similar names or ingredients.

  • Quarterly history since 2021

    Quarterly Part B payment limits, CMS revisions to posted quarters, and HCPCS code changes and terminations.

  • Biosimilars and references

    Biosimilar and interchangeable products linked to their reference biologic through FDA Purple Book license numbers.

  • Tools that show their work

    A unit calculator with the CMS MUE check, JW/JZ claim lines, and a vial optimizer — plus a chargemaster audit, margin analyzer, biosimilar comparator, and quarterly change report.

  • Every code family

    J, Q, C, A, P, and S codes with billing context — including non-Medicare S-codes and the CMS NOC code list.

  • Honest about gaps

    When no authoritative public data exists for a field, CodeRx says so instead of filling it in.

New drug codes Q4 2026

Drug-related codes added in the latest CMS HCPCS quarterly file.

Everything that changed Browse all J-codes

Where the data comes from

Government publications only, imported on a schedule that matches each publisher. No AWP, WAC, or commercial payer rates.

Every release and checksum

Jump to a code family

Disclaimer. This application provides informational coding and reimbursement reference data. It does not constitute legal, clinical, coding, or billing advice. Codes, payment amounts, payer rules, and coverage policies can change. Verify all information with current CMS publications, the applicable payer, and your organization’s compliance policies before submitting a claim. CodeRx is not affiliated with or endorsed by CMS, FDA, Medicare, or any payer.