Home Drug Codes J Codes J1599 · PANZYGA
Updated July 1st, 2026

PANZYGA J Code: J1599

Injection, immune globulin, intravenous, non-lyophilized (e.g., liquid), not otherwise specified, 500 mg

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Medicare Payment Limit ?
Not published
CMS publishes none for Q3 2026
APC Payment Limit ?
Not published
CMS publishes none for Q3 2026
ASP ?
No current ASP
Not available for Q3 2026
WAC · AWP ?
$•••.••
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NDCs Crosswalked ?
12
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Drug & Product Overview

HCPCS Descriptor Injection, immune globulin, intravenous, non-lyophilized (e.g., liquid), not otherwise specified, 500 mg
HCPCS Added Date January 1, 2011
Manufacturer Octapharma
Route of Administration Intravenous
Generic Status Single-Source; Branded
Dosage Type Single-Dose
Dosage Form Solution

About PANZYGA

Panzyga is a medication aligned to the HCPCS J Code: J1599 for billing, pricing, and reimbursement purposes in the United States. This Immunoglobulin medication is administered via the intravenous route and manufactured by Octapharma.

Manufacturers, reach out to us to add more information.

NDC Code Information

12 NDC packages are crosswalked to J1599. Package detail is available to logged-in subscribers.

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PANZYGA CPT Administration Codes

The below list of CPT codes is intended for informational purposes only and may not be exhaustive. CPT® codes and descriptions are copyright American Medical Association (AMA). All rights reserved.

CPT Code Description
96365 Intravenous infusion, for therapy, prophylaxis, or diagnosis (specify substance or drug); initial, up to 1 hour
96366 Intravenous infusion, for therapy, prophylaxis, or diagnosis (specify substance or drug); each additional hour (List separately in addition to code for primary procedure)
Not on the CMS JW / JZ list

CMS does not include Panzyga (J1599) on its list of HCPCS pertaining to single-dose containers. Per CMS guidelines, the JZ/JW wastage modifiers may not apply when billing J1599. Wastage billing guide →

PANZYGA Medically Unlikely Edits (MUE)

The most billing units of J1599 Medicare will pay for one patient in one day, as published by CMS. 1 unit = 500 mg.

Practitioner Office & Hospital Outpatient
300 units / day
= 150,000 mg per day

MAI 3 · Date of Service Edit: Clinical. Per-day limit based on clinical expectations; excess units are denied but may be appealed with documentation of medical necessity. See all MUE limits →

mg Enter a dose to see how many billing units it is and whether it is under the limit.

PANZYGA Clinical Information

Indications and drug classification.

Treated Diseases & Conditions

This list of indications is not exhaustive and may be subject to errors. The information on BuyandBill.com is intended for informational purposes only and should not be used for medical advice.

Chronic Immune Thrombocytopenia Chronic Immune Thrombocytopenia (ITP) Chronic Inflammatory Demyelinating Polyneuropathy Chronic Inflammatory Demyelinating Polyneuropathy (CIDP) Primary Humoral Immunodeficiency Primary Humoral Immunodeficiency Diseases (PI)
Drug Class
Antigen Neutralization [MoA]Human Immunoglobulin G [EPC]Immunoglobulins [CS]Passively Acquired Immunity [PE]

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Frequently Asked Questions

Is there an available Panzyga billing and coding guide?
Billing and coding information for PANZYGA can be found through Pfizer. Visit Here →
Are there any available Panzyga patient assistance programs?
PANZYGA patient assistance information can be found through Pfizer. Visit Here →
Where can I find Panzyga prescribing information?
PANZYGA prescribing information can be found at the link below: Visit Here →
Where can I find Panzyga side effect information?
Our team has not yet identified a source of side effects information for PANZYGA. Please check back in a few weeks.
Does billing PANZYGA require JZ/JW wastage modifiers?
CMS does not include PANZYGA (J1599) on its list of HCPCS pertaining to single-dose containers. Per CMS guidelines, the JZ/JW wastage modifiers may not apply when billing J1599. For more information, visit the link below.

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