No. J2248 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.

What NDCs are billed under J2248?

CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 37 NDCs under J2248, for Micafungin, Micafungin Sodium and Mycamine. The table on this page shows each one with its billing units per package.

What is the Medicare payment limit for J2248?

$0.203 per 1 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 J2248?

One unit of J2248 is 1 mg, as stated in the code's descriptor. Units to report = dose given ÷ 1 mg.

J2248 J-Code: Mycamine (micafungin sodium) — Billing Units

In short

J2248 is the HCPCS Level II code for injection, micafungin sodium, 1 mg. CMS assigns NDCs for Micafungin, Micafungin Sodium and Mycamine to it. One billing unit is 1 mg. The Medicare Part B payment limit is $0.203 per unit (October 1, 2026 through December 31, 2026).

Code

CMS HCPCS file

HCPCS codeJ2248

Billing unit1 mg

Descriptor: Injection, micafungin sodium, 1 mg
Short descriptor: Micafungin sodium injection
Code set: HCPCS Level II, maintained by CMS
Effective: Jan 1, 2016

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$0.203

Per1 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 ÷ 1 mg. For example, 100 mg is 100 units. Enter the dose to get the units and the NDC line for the CMS-1500 and the 837P.

Dose given (mg)

HCPCS units (1 unit = 1 mg)

Modifier

NDC (11-digit)

NDC unit qualifier

NDC quantity

Enter the dose given to build the claim line.

NDCs billed under J2248

CMS’s ASP NDC–HCPCS crosswalk (effective October 1, 2026 through December 31, 2026) assigns 37 NDCs to J2248 for Micafungin, Micafungin Sodium and Mycamine. Billing units per package are CMS’s figures for this code’s unit.

NDCs assigned to J2248 in the CMS ASP crosswalk
Drug	NDC (11-digit)	Labeler	Package	Billing units per package
Micafungin	00143-9361-01	Hikma Pharmaceuticals USA Inc.	1	50
Micafungin	00143-9362-01	Hikma Pharmaceuticals USA Inc.	1	100
Micafungin	25021-0190-10	Sagent Pharmaceuticals	1	50
Micafungin	25021-0190-11	Sagent Pharmaceuticals	10 × 1	500
Micafungin	25021-0190-12	Sagent Pharmaceuticals	20 × 1	1,000
Micafungin	25021-0191-10	Sagent Pharmaceuticals	1	100
Micafungin	25021-0191-11	Sagent Pharmaceuticals	10 × 1	1,000
Micafungin	25021-0191-12	Sagent Pharmaceuticals	20 × 1	2,000
Micafungin	60505-6119-05	Apotex Corp	10 × 1	500
Micafungin	60505-6120-06	Apotex Corp	10 × 1	1,000
Micafungin	63323-0729-12	FreseniUS Kabi USA, LLC	10 × 1	1,000
Micafungin	68462-0771-01	Glenmark Pharmaceuticals Inc., USA	1	50
Micafungin	68462-0771-10	Glenmark Pharmaceuticals Inc., USA	10 × 1	500
Micafungin	68462-0772-01	Glenmark Pharmaceuticals Inc., USA	1	100
Micafungin	68462-0772-10	Glenmark Pharmaceuticals Inc., USA	10 × 1	1,000
Micafungin	70377-0075-91	Biocon Pharma Inc	10 × 1	500
Micafungin	70377-0076-91	Biocon Pharma Inc	10 × 1	1,000
Micafungin	70594-0036-01	Xellia Pharmaceuticals USA, LLC.	1	50
Micafungin	70594-0037-01	Xellia Pharmaceuticals USA, LLC.	1	100
Micafungin	70710-1724-06	Zydus Pharmaceuticals (USA) Inc.	10 × 1	500
Micafungin	70710-1725-01	Zydus Pharmaceuticals (USA) Inc.	1	100
Micafungin	70710-1725-06	Zydus Pharmaceuticals (USA) Inc.	10 × 1	1,000
Micafungin	71288-0028-12	Meitheal Pharmaceuticals Inc.	1	50
Micafungin	71288-0029-12	Meitheal Pharmaceuticals Inc.	1	100
Micafungin	72572-0427-01	Civica, Inc.	1	100
Micafungin Sodium	16714-0164-10	Northstar RxLLC	10 × 1	500
Micafungin Sodium	16714-0301-10	Northstar RxLLC	10 × 1	1,000
Micafungin Sodium	42658-0022-01	Hisun Pharmaceuticals Usa, Inc.	1	50
Micafungin Sodium	42658-0022-02	Hisun Pharmaceuticals Usa, Inc.	10 × 1	500
Micafungin Sodium	42658-0023-01	Hisun Pharmaceuticals Usa, Inc.	1	100
Micafungin Sodium	42658-0023-02	Hisun Pharmaceuticals Usa, Inc.	10 × 1	1,000
Micafungin Sodium	71288-0028-11	Meitheal Pharmaceuticals Inc.	10 × 1	500
Micafungin Sodium	71288-0029-11	Meitheal Pharmaceuticals Inc.	10 × 1	1,000
Mycamine	00469-3211-10	Astellas Pharma US, Inc.	10 × 1	1,000
Mycamine	00469-3250-10	Astellas Pharma US, Inc.	10 × 1	500
Mycamine	63323-0728-10	FreseniUS Kabi USA, LLC	10 × 1	500
Mycamine	63323-0729-10	FreseniUS Kabi USA, LLC	10 × 1	1,000

J2248: common questions

Is J2248 a CPT code?: No. J2248 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 J2248?: CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 37 NDCs under J2248, for Micafungin, Micafungin Sodium and Mycamine. The table on this page shows each one with its billing units per package.
What is the Medicare payment limit for J2248?: $0.203 per 1 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 J2248?: One unit of J2248 is 1 mg, as stated in the code's descriptor. Units to report = dose given ÷ 1 mg. J-code billing units.

J2248 — Injection, micafungin sodium, 1 mg