No. J7530 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 J7530?

CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 1 NDC under J7530, for Myhibbin. The table on this page shows each one with its billing units per package.

What is the Medicare payment limit for J7530?

$0.115 per 5 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 J7530?

One unit of J7530 is 5 mg, as stated in the code's descriptor. Units to report = dose given ÷ 5 mg.

J7530 J-Code: Myhibbin (mycophenolate mofetil)

In short

J7530 is the HCPCS Level II code for mycophenolate mofetil (myhibbin), oral suspension, 5 mg. CMS assigns NDCs for Myhibbin to it. One billing unit is 5 mg. The Medicare Part B payment limit is $0.115 per unit (October 1, 2026 through December 31, 2026).

Code

CMS HCPCS file

HCPCS codeJ7530

Billing unit5 mg

Descriptor: Mycophenolate mofetil (myhibbin), oral suspension, 5 mg
Short descriptor: Mycophenolat (myhibbin) 5 mg
Code set: HCPCS Level II, maintained by CMS
Effective: Oct 1, 2026

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$0.115

Per5 mg

Coinsurance18.875%

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

Units and claim line

Units = dose given ÷ 5 mg. For example, 500 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 = 5 mg)

Modifier

NDC (11-digit)

NDC unit qualifier

NDC quantity

Enter the dose given to build the claim line.

NDCs billed under J7530

CMS’s ASP NDC–HCPCS crosswalk (effective October 1, 2026 through December 31, 2026) assigns 1 NDC to J7530 for Myhibbin. Billing units per package are CMS’s figures for this code’s unit.

NDCs assigned to J7530 in the CMS ASP crosswalk
Drug	NDC (11-digit)	Labeler	Package	Billing units per package
Myhibbin	24338-0018-01	Azurity Pharmaceuticals, Inc.	175	7,000

J7530: common questions

Is J7530 a CPT code?: No. J7530 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 J7530?: CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 1 NDC under J7530, for Myhibbin. The table on this page shows each one with its billing units per package.
What is the Medicare payment limit for J7530?: $0.115 per 5 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 J7530?: One unit of J7530 is 5 mg, as stated in the code's descriptor. Units to report = dose given ÷ 5 mg. J-code billing units.

J7530 — Mycophenolate mofetil (myhibbin), oral suspension, 5 mg