No. J1630 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 J1630?

CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 8 NDCs under J1630, for Haloperidol Lactate. The table on this page shows each one with its billing units per package.

What is the Medicare payment limit for J1630?

$0.632 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.

J1630 J-Code: Haloperidol — Billing Units & NDCs

In short

J1630 is the HCPCS Level II code for injection, haloperidol, up to 5 mg. CMS assigns NDCs for Haloperidol Lactate to it. The Medicare Part B payment limit is $0.632 per unit (October 1, 2026 through December 31, 2026).

Code

CMS HCPCS file

HCPCS codeJ1630

Billing unitSee descriptor

Descriptor: Injection, haloperidol, up to 5 mg
Short descriptor: Haloperidol injection
Code set: HCPCS Level II, maintained by CMS
Effective: Jan 1, 1997

Medicare Part B payment limit

CMS ASP file

Payment limit per unit$0.632

Per5 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

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

HCPCS units

Modifier

NDC (11-digit)

NDC unit qualifier

NDC quantity

Enter the units to build the claim line.

NDCs billed under J1630

CMS’s ASP NDC–HCPCS crosswalk (effective October 1, 2026 through December 31, 2026) assigns 8 NDCs to J1630 for Haloperidol Lactate. Billing units per package are CMS’s figures for this code’s unit.

NDCs assigned to J1630 in the CMS ASP crosswalk
Drug	NDC (11-digit)	Labeler	Package	Billing units per package
Haloperidol Lactate	00143-9501-25	Hikma Pharmaceuticals USA Inc.	25 × 1	25
Haloperidol Lactate	00143-9502-01	Hikma Pharmaceuticals USA Inc.	10	10
Haloperidol Lactate	00404-9871-01	Henry Schein Inc.	1	1
Haloperidol Lactate	25021-0806-01	Sagent Pharmaceuticals	10 × 1	10
Haloperidol Lactate	51662-1524-01	HF Acquisition Co. LLC, DBA HealthFirst	1	1
Haloperidol Lactate	63323-0474-01	FreseniUS Kabi USA, LLC	25 × 1	25
Haloperidol Lactate	63323-0474-10	FreseniUS Kabi USA, LLC	10	10
Haloperidol Lactate	67457-0426-12	Mylan Institutional LLC	25 × 1	25

J1630: common questions

Is J1630 a CPT code?: No. J1630 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 J1630?: CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 8 NDCs under J1630, for Haloperidol Lactate. The table on this page shows each one with its billing units per package.
What is the Medicare payment limit for J1630?: $0.632 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.

J1630 — Injection, haloperidol, up to 5 mg