HCPCS Level II · retired code
J9212 — Injection, interferon alfacon-1, recombinant, 1 microgram
J9212 was retired on Dec 31, 2025
CMS ended J9212 after Dec 31, 2025. Don’t report it for later dates of service. Current codes for the same drug:
- J1826Injection, interferon beta-1a, 30 mcg
- J1830Injection, interferon beta-1b, 0.25 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)
- J9213Injection, interferon, alfa-2a, recombinant, 3 million units
- J9214Injection, interferon, alfa-2b, recombinant, 1 million units
- J9215Injection, interferon, alfa-n3, (human leukocyte derived), 250,000 iu
- J9216Injection, interferon, gamma 1-b, 3 million units
- Q3027Injection, interferon beta-1a, 1 mcg for intramuscular use
- Q3028Injection, interferon beta-1a, 1 mcg for subcutaneous use
Code
CMS HCPCS fileHCPCS codeJ9212
Billing unit1 microgram
- Descriptor
- Injection, interferon alfacon-1, recombinant, 1 microgram
- Short descriptor
- Interferon alfacon-1 inj
- 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 J9212 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.
J9212: common questions
- Is J9212 a CPT code?
- No. J9212 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 J9212?
- One unit of J9212 is 1 microgram, as stated in the code's descriptor. Units to report = dose given ÷ 1 microgram. J-code billing units.