J3121 – Injection, testosterone enanthate, 1 mg
HCPCS Level II code · J codes: Drugs Administered Other Than Oral Method
HCPCS codeJ3121
- Long description
- Injection, testosterone enanthate, 1 mg
- Short description
- Inj testostero enanthate 1mg
- Pricing indicator
51Drugs- Medicare coverage
DSpecial coverage instructions apply- BETOS category
O1EOther drugs- Added
- January 1, 2015
- Last change
- January 1, 2015 – No change
Frequently asked questions
What is HCPCS code J3121?
J3121 is a HCPCS Level II code for injection, testosterone enanthate, 1 mg.
Does Medicare cover J3121?
The HCPCS file lists coverage code D: Special coverage instructions apply. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby J codes
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- J3111 – Injection, romosozumab-aqqg, 1 mg
- J3120 – Injection, testosterone enanthate, up to 100 mg
- J3130 – Injection, testosterone enanthate, up to 200 mg
- J3140 – Injection, testosterone suspension, up to 50 mg
- J3145 – Injection, testosterone undecanoate, 1 mg
- J3150 – Injection, testosterone propionate, up to 100 mg
- J3230 – Injection, chlorpromazine hcl, up to 50 mg
- J3240 – Injection, thyrotropin alpha, 0.9 mg, provided in 1.1 mg vial
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Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.