HCPCS Level II drug codes
J-Code List & Lookup
Every HCPCS drug code with its descriptor and billing unit. Look up a code by number or drug name; each code page lists the NDCs CMS assigns to it.
From the CMS HCPCS Level II file
Codes and descriptors come from HCPC2026_OCT_ANWEB_09232026.xlsx, the CMS quarterly HCPCS file. HCPCS Level II is maintained by CMS and updated quarterly — confirm a code in the current CMS HCPCS files before billing. October 2026 code changes · What is a J-code?
All J-codes
238 codes starting J0
| Code | Descriptor | Billing unit | Drugs |
|---|---|---|---|
| J0256 | Injection, alpha 1 proteinase inhibitor (human), not otherwise specified, 10 mg | 10 mg | Aralast NP, Prolastin-C, Zemaira |
| J0257 | Injection, alpha 1 proteinase inhibitor (human), (glassia), 10 mg | 10 mg | Glassia |
| J0270 | Injection, alprostadil, 1.25 mcg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | 1.25 mcg (code may be used for medicare when drug administered under the direct supervision of a physician | — |
| J0275 | Alprostadil urethral suppository (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | See descriptor | — |
| J0278 | Injection, amikacin sulfate, 100 mg | 100 mg | Amikacin Sulfate |
| J0280 | Injection, aminophyllin, up to 250 mg | See descriptor | Aminophylline |
| J0281 | Injection, aminocaproic acid, 1 gram | 1 gram | Aminocaproic Acid, Aminocaproid Acid |
| J0282 | Injection, amiodarone hydrochloride, 30 mg | 30 mg | Amiodarone HCl |
| J0283 | Injection, amiodarone hydrochloride (nexterone), 30 mg | 30 mg | Nexterone |
| J0285 | Injection, amphotericin b, 50 mg | 50 mg | Amphotericin B |
| J0287 | Injection, amphotericin b lipid complex, 10 mg | 10 mg | — |
| J0289 | Injection, amphotericin b liposome, 10 mg | 10 mg | Ambisome, Amphotericin B Liposome |
| J0290 | Injection, ampicillin sodium, 500 mg | 500 mg | Ampicillin Sodium |
| J0291 | Injection, plazomicin, 5 mg | 5 mg | Zemdri |
| J0295 | Injection, ampicillin sodium/sulbactam sodium, per 1.5 gm | See descriptor | Ampicillin-Sulbactam, Unasyn |
| J0300 | Injection, amobarbital, up to 125 mg | See descriptor | — |
| J0330 | Injection, succinylcholine chloride, up to 20 mg | See descriptor | — |
| J0348 | Injection, anidulafungin, 1 mg | 1 mg | Eraxis |
| J0349 | Injection, rezafungin, 1 mg | 1 mg | Rezzayo |
| J0360 | Injection, hydralazine hcl, up to 20 mg | See descriptor | Hydralazine HCl |
| J0364 | Injection, apomorphine hydrochloride, 1 mg | 1 mg | — |
| J0390 | Injection, chloroquine hydrochloride, up to 250 mg | See descriptor | — |
| J0391 | Injection, artesunate, 1 mg | 1 mg | — |
| J0400 | Injection, aripiprazole, intramuscular, 0.25 mg | 0.25 mg | — |
| J0401 | Injection, aripiprazole (abilify maintena), 1 mg | 1 mg | Abilify Maintena |
| J0402 | Injection, aripiprazole (abilify asimtufii), 1 mg | 1 mg | Abilify Asimtufii |
| J0456 | Injection, azithromycin, 500 mg | 500 mg | Azithromycin, Zithromax |
| J0457 | Injection, aztreonam, 100 mg | 100 mg | Azactam, Aztreonam |
| J0458 | Injection, aztreonam/avibactam, 7.5 mg/2.5 mg (10 mg) | 7.5 mg/2.5 mg (10 mg) | Emblaveo |
| J0461 | Injection, atropine sulfate, 0.01 mg | 0.01 mg | Atropine Sulfate |
| J0462 | Injection, atropine sulfate, not therapeutically equivalent to j0461, 0.01 mg | 0.01 mg | Atropine Sulfate |
| J0463 | Injection, atropine sulfate (fresenius and therapeutically equivalent), 0.01 mg | 0.01 mg | Atropine Sulfate |
| J0470 | Injection, dimercaprol, per 100 mg | 100 mg | — |
| J0475 | Injection, baclofen, 10 mg | 10 mg | Baclofen, Gablofen, Lioresal |
| J0476 | Injection, baclofen, 50 mcg for intrathecal trial | 50 mcg for intrathecal trial | Baclofen, Gablofen, Lioresal |
| J0480 | Injection, basiliximab, 20 mg | 20 mg | Simulect |
| J0485 | Injection, belatacept, 1 mg | 1 mg | Nulojix |
| J0490 | Injection, belimumab, 10 mg | 10 mg | Benlysta |
| J0491 | Injection, anifrolumab-fnia, 1 mg | 1 mg | Saphnelo |
| J0500 | Injection, dicyclomine hcl, up to 20 mg | See descriptor | Bentyl, Dicyclomine HCl |
| J0515 | Injection, benztropine mesylate, per 1 mg | 1 mg | Benztropine, Cogentin |
| J0517 | Injection, benralizumab, 1 mg | 1 mg | Fasenra |
| J0520 | Injection, bethanechol chloride, myotonachol or urecholine, up to 5 mg | See descriptor | — |
| J0525 | Injection, cefotetan disodium, 10 mg | 10 mg | — |
| J0528 | Injection, fosfomycin disodium, 20 mg | 20 mg | Contepo |
| J0558 | Injection, penicillin g benzathine and penicillin g procaine, 100,000 units | 000 units | Bicillin CR |
| J0561 | Injection, penicillin g benzathine, 100,000 units | 000 units | Bicillin L-A |
| J0565 | Injection, bezlotoxumab, 10 mg | 10 mg | — |
| J0567 | Injection, cerliponase alfa, 1 mg | 1 mg | — |
| J0570 | Buprenorphine implant, 74.2 mg | 74.2 mg | — |
CPT vaccine product codes
Vaccines are reported with a CPT product code rather than a J-code, plus a separate immunization administration code. Descriptions here are Med-Code’s own; CPT descriptors are licensed by the AMA.
| Code | Descriptor | Billing unit | Drugs in directory | Type |
|---|---|---|---|---|
| CPT 90651 | Vaccine product code for GARDASIL 9 (human papillomavirus 9-valent vaccine) | 1 dose | Gardasil 9 | CPT vaccine product |
| CPT 90677 | Vaccine product code for PREVNAR 20 (pneumococcal 20-valent conjugate vaccine) | 1 dose | Prevnar 20 | CPT vaccine product |
| CPT 90678 | Vaccine product code for ABRYSVO (respiratory syncytial virus vaccine, bivalent) | 1 dose | Abrysvo | CPT vaccine product |
| CPT 90679 | Vaccine product code for AREXVY (respiratory syncytial virus vaccine, adjuvanted) | 1 dose | Arexvy | CPT vaccine product |
| CPT 90750 | Vaccine product code for SHINGRIX (zoster vaccine recombinant, adjuvanted) | 1 dose | Shingrix | CPT vaccine product |
By therapeutic category
- Analgesic / Antipyretic1 code
- Antibiotic / Cephalosporin1 code
- Antiemetic / 5-HT31 code
- Autoimmune / Anti-TNF2 codes
- Bone Health / RANKL1 code
- Chemotherapy / CD20 Biologic1 code
- Chemotherapy / CD38 Biologic1 code
- Chemotherapy / HER2 Biologic1 code
- Chemotherapy / Immunotherapy2 codes
- Chemotherapy / PD-L1 Biologic2 codes
- Chemotherapy / VEGF Biologic1 code
- Colony Stimulating Factor1 code
- Contraceptive / Progestin1 code
- Corticosteroid1 code
- Gastroenterology / Integrin1 code
- GIP / GLP-1 Dual Agonist1 code
- GLP-1 Receptor Agonist1 code
- Hematologic / IV Iron1 code
- Immunology / IL-12/231 code
- Immunology / IL-4/131 code
- Neuromuscular Blocker / Toxin1 code
- Ophthalmic / Ang-2 & VEGF1 code
- Ophthalmic / Anti-VEGF2 codes
- Sympathomimetic / Anaphylaxis1 code
- Vaccine / Immunization5 codes
Find a J-code by drug name
1,087 brand and generic names, each with its code and billing unit. All drugs A–Z.