In short

J1817 is the HCPCS Level II code for insulin for administration through dme (i.e., insulin pump) per 50 units. CMS assigns NDCs for Admelog, Apidra, Humalog and Humalog Kwikpen and 13 more to it. The Medicare Part B payment limit is $3.116 per unit (October 1, 2026 through December 31, 2026).

Code

CMS HCPCS file
HCPCS codeJ1817
Billing unitSee descriptor
Descriptor
Insulin for administration through dme (i.e., insulin pump) per 50 units
Short descriptor
Insulin for insulin pump use
Code set
HCPCS Level II, maintained by CMS
Effective
Jan 1, 2003

Medicare Part B payment limit

CMS ASP file
Payment limit per unit$3.116
Per50 units
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

Enter the dose to get the units and the NDC line for the CMS-1500 and the 837P.

Enter the units to build the claim line.

NDCs billed under J1817

CMS’s ASP NDC–HCPCS crosswalk (effective October 1, 2026 through December 31, 2026) assigns 31 NDCs to J1817 for Admelog, Apidra, Humalog, Humalog Kwikpen, Humalog Tempo Pen, Humilin R, Humulin N, Humulin R, insulin aspart, Insulin Lispro, Insulin Lispro Junior Kwikpen, Insulin Lispro Kwikpen, Novolin N, Novolin R, Novolog, Novolog Flexpen and Novolog Penfill. Billing units per package are CMS’s figures for this code’s unit.

NDCs assigned to J1817 in the CMS ASP crosswalk
DrugNDC (11-digit)LabelerPackageBilling units per package
Admelog00024-5924-10Sanofi-Aventis U.S. LLC1020
Admelog00024-5925-05Sanofi-Aventis U.S. LLC5 × 330
Admelog00024-5926-05Sanofi-Aventis U.S. LLC36
Apidra00088-2500-33Sanofi-Aventis U.S. LLC1020
Humalog00002-7510-01Eli Lilly and Company1020
Humalog00002-7510-17Eli Lilly and Company36
Humalog00002-7516-59Eli Lilly and Company5 × 330
Humalog00002-7533-01Eli Lilly and Company36
Humalog50090-1375-00A-S Medication Solutions1020
Humalog Kwikpen00002-8799-59Eli Lilly and Company5 × 330
Humalog Tempo Pen00002-8213-05Eli Lilly and Company5 × 330
Humilin R00002-0213-01Eli Lilly and Company36
Humulin N50090-0352-00A-S Medication Solutions1020
Humulin R00002-8215-01Eli Lilly and Company1020
Humulin R00002-8215-17Eli Lilly and Company36
Humulin R00002-8501-01Eli Lilly and Company20200
Humulin R50090-0353-00A-S Medication Solutions1020
insulin aspart00169-2100-11Novo Nordisk, Inc1020
insulin aspart00169-2101-25Novo Nordisk, Inc5 × 330
Insulin Aspart50090-4956-00A-S Medication Solutions5 × 330
Insulin Lispro00002-7737-01Eli Lilly and Company1020
Insulin Lispro50090-5391-00A-S Medication Solutions1020
Insulin Lispro Junior Kwikpen00002-7752-05Eli Lilly and Company5 × 330
Insulin Lispro Kwikpen00002-8222-59Eli Lilly and Company5 × 330
Novolin N50090-0498-00A-S Medication Solutions1020
Novolin R50090-0497-00A-S Medication Solutions1020
Novolog00169-7501-11Novo Nordisk, Inc1020
Novolog50090-1664-00A-S Medication Solutions1020
Novolog Flexpen00169-6339-10Novo Nordisk, Inc5 × 330
Novolog Flexpen50090-1678-00A-S Medication Solutions5 × 330
Novolog Penfill00169-3303-12Novo Nordisk, Inc5 × 330

J1817: common questions

Is J1817 a CPT code?
No. J1817 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 J1817?
CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 31 NDCs under J1817, for Admelog, Apidra, Humalog, Humalog Kwikpen, Humalog Tempo Pen and Humilin R and 11 more. The table on this page shows each one with its billing units per package.
What is the Medicare payment limit for J1817?
$3.116 per 50 units, 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.

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