No. J9310 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 is one billing unit of J9310?

One unit of J9310 is 100 mg, as stated in the code's descriptor. Units to report = dose given ÷ 100 mg.

J9310 J-Code (Retired 2018) — Injection, rituximab, 100 mg

J9310 was retired on Dec 31, 2018

CMS ended J9310 after Dec 31, 2018. Don’t report it for later dates of service. Current codes for the same drug:

Code

CMS HCPCS file

HCPCS codeJ9310

Billing unit100 mg

Descriptor: Injection, rituximab, 100 mg
Short descriptor: Rituximab injection
Code set: HCPCS Level II, maintained by CMS
Effective: Jan 1, 2019

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

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Med-Code hasn’t mapped J9310 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.

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J9310: common questions

Is J9310 a CPT code?: No. J9310 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 J9310?: One unit of J9310 is 100 mg, as stated in the code's descriptor. Units to report = dose given ÷ 100 mg. J-code billing units.

J9310 — Injection, rituximab, 100 mg

Code

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J9310: common questions

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