In short

J1826 is the HCPCS Level II code for injection, interferon beta-1a, 30 mcg. One billing unit is 30 mcg.

Code

CMS HCPCS file
HCPCS codeJ1826
Billing unit30 mcg
Descriptor
Injection, interferon beta-1a, 30 mcg
Short descriptor
Interferon beta-1a inj
Code set
HCPCS Level II, maintained by CMS
Effective
Jan 1, 2017

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

Units and claim line

Units = dose given ÷ 30 mcg. For example, 3000 mcg 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.

Find the NDC

Med-Code hasn’t mapped J1826 to specific products yet. Search the FDA NDC Directory for the drug named in the descriptor, and check the route and strength match the code.

Search NDCs for interferon beta-1a

J1826: common questions

Is J1826 a CPT code?
No. J1826 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 is one billing unit of J1826?
One unit of J1826 is 30 mcg, as stated in the code's descriptor. Units to report = dose given ÷ 30 mcg. J-code billing units.

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