In short

J1568 is the HCPCS Level II code for injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg. CMS assigns NDCs for Octagam to it. One billing unit is 500 mg. The Medicare Part B payment limit is $47.133 per unit (October 1, 2026 through December 31, 2026).

Code

CMS HCPCS file
HCPCS codeJ1568
Billing unit500 mg
Descriptor
Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg
Short descriptor
Octagam injection
Code set
HCPCS Level II, maintained by CMS
Effective
Jan 1, 2008

The billing unit is read from the descriptor. Confirm it against the CMS file before billing.

Medicare Part B payment limit

CMS ASP file
Payment limit per unit$47.133
Per500 mg
Coinsurance20%

Effective October 1, 2026 through December 31, 2026. Payment allowance limits subject to the ASP methodology are based on 2Q26 ASP data. A payment limit is not a coverage decision; the Medicare contractor decides coverage. CMS ASP pricing files

Units and claim line

Units = dose given ÷ 500 mg. For example, 50000 mg is 100 units. Enter the dose to get the units and the NDC line for the CMS-1500 and the 837P.

Enter the dose given to build the claim line.

NDCs billed under J1568

CMS’s ASP NDC–HCPCS crosswalk (effective October 1, 2026 through December 31, 2026) assigns 18 NDCs to J1568 for Octagam. Billing units per package are CMS’s figures for this code’s unit.

NDCs assigned to J1568 in the CMS ASP crosswalk
DrugNDC (11-digit)LabelerPackageBilling units per package
Octagam00069-6002-02Pfizer Inc204
Octagam00069-6111-02Pfizer Inc10020
Octagam00069-6237-02Pfizer Inc20040
Octagam00069-6339-02Pfizer Inc30060
Octagam00069-6550-02Pfizer Inc5010
Octagam00069-8400-02Pfizer Inc202
Octagam00069-8425-02Pfizer Inc505
Octagam00069-8451-02Pfizer Inc10010
Octagam00069-8476-02Pfizer Inc20020
Octagam68982-0840-01Octapharma USA Inc.202
Octagam68982-0840-02Octapharma USA Inc.505
Octagam68982-0840-03Octapharma USA Inc.10010
Octagam68982-0840-04Octapharma USA Inc.20020
Octagam68982-0850-01Octapharma USA Inc.204
Octagam68982-0850-02Octapharma USA Inc.5010
Octagam68982-0850-03Octapharma USA Inc.10020
Octagam68982-0850-04Octapharma USA Inc.20040
Octagam68982-0850-05Octapharma USA Inc.30060

J1568: common questions

Is J1568 a CPT code?
No. J1568 is a HCPCS Level II code, maintained by CMS, that identifies the drug supplied. CPT codes are five-digit numbers from the AMA that describe services. Giving the drug, for example an injection or infusion, is usually reported with a separate CPT administration code. CPT codes for drug administration.
What NDCs are billed under J1568?
CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 18 NDCs under J1568, for Octagam. The table on this page shows each one with its billing units per package.
What is the Medicare payment limit for J1568?
$47.133 per 500 mg, effective October 1, 2026 through December 31, 2026, from CMS's Part B drug payment limit file. Multiply by the units billed for the allowed amount before deductible and coinsurance. It is not a coverage decision.
What is one billing unit of J1568?
One unit of J1568 is 500 mg, as stated in the code's descriptor. Units to report = dose given ÷ 500 mg. J-code billing units.

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