No. J7310 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 J7310?

One unit of J7310 is 4.5 mg, as stated in the code's descriptor. Units to report = dose given ÷ 4.5 mg.

J7310 (Retired 2025) — Ganciclovir long act implant

J7310 was retired on Dec 31, 2025

CMS ended J7310 after Dec 31, 2025. Don’t report it for later dates of service. Current codes for the same drug:

Code

CMS HCPCS file

HCPCS codeJ7310

Billing unit4.5 mg

Descriptor: Ganciclovir, 4.5 mg, long-acting implant
Short descriptor: Ganciclovir long act implant
Code set: HCPCS Level II, maintained by CMS
Effective: Jan 1, 2026

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

Find the NDC

Med-Code hasn’t mapped J7310 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 Ganciclovir

J7310: common questions

Is J7310 a CPT code?: No. J7310 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 J7310?: One unit of J7310 is 4.5 mg, as stated in the code's descriptor. Units to report = dose given ÷ 4.5 mg. J-code billing units.

J7310 — Ganciclovir, 4.5 mg, long-acting implant

Code

Find the NDC

J7310: common questions

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