Summary & Overview
HCPCS Level II J0135: Adalimumab 20 mg Injection
HCPCS Level II code J0135 denotes a 20 mg injection of adalimumab, a TNF-blocking biologic used across multiple inflammatory and autoimmune conditions. Nationally, this code matters because biologic therapies constitute a substantial and growing share of outpatient drug spend and require accurate coding for coverage, billing, and clinical tracking.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The publication outlines payer policies, billing benchmarks, and clinical context for use of J0135, with attention to site-of-service implications and documentation needs.
Readers will learn how J0135 is defined and applied in outpatient settings, how major payers approach coverage and reimbursement at a high level, and what benchmarks and policy updates affect billing for adalimumab 20 mg injections. The report also provides clinical context on typical administration settings and summarizes where readers can expect variation in payer handling. Data not available in the input is noted where applicable.
Billing Code Overview
HCPCS Level II code J0135 represents an injection of adalimumab, 20 mg. This code is used to report administration of a 20 mg dose of adalimumab, a monoclonal antibody targeting tumor necrosis factor (TNF). The service type is medication injection/biologic drug administration. The typical site of service is outpatient infusion or injection settings such as physician offices, specialty clinics, and outpatient infusion centers.
Data not available in the input.
Clinical & Coding Specifications
Clinical Context
A typical patient is an adult with an immune‑mediated inflammatory disease such as moderate to severe rheumatoid arthritis, psoriatic arthritis, ankylosing spondylitis, Crohn disease, or hidradenitis suppurativa who presents to an outpatient infusion/injection clinic, specialty pharmacy clinic, or physician office for administration of a prefilled syringe of adalimumab. The clinical workflow begins with verification of the prescription and prior authorization, medication reconciliation and allergy check, assessment of baseline vital signs and infection risk screening (including tuberculosis and recent infections), patient education on expected effects and adverse reactions, and documentation of lot number and expiration. The medication J0135 (injection, adalimumab, 20 mg) is obtained from pharmacy, labeled, and administered subcutaneously by a registered nurse or licensed medical personnel. Observation for acute hypersensitivity or injection‑site reaction occurs for a short period (typically 15–30 minutes) after injection. Documentation includes indication, medication name and dose, route, site, lot number, NDC when required, and any immediate adverse events. Billing includes the HCPCS Level II code J0135 and may include relevant modifiers for unusual circumstances or payer requirements.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 |