Summary & Overview
HCPCS S9449: Weight Management Classes, Non-Physician, Per Session
HCPCS Level II code S9449 denotes a per-session weight management class provided by a non-physician clinician. Nationally, this code is used to capture structured weight-management education and counseling sessions delivered by providers such as dietitians, nutritionists, or health educators in ambulatory or community settings. Use of S9449 is relevant to public and private payers as health systems expand preventive and chronic disease management programs that target obesity and related comorbidities.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The publication provides an overview of coverage patterns and billing practices, where available, and situates S9449 within broader clinical and payment contexts for lifestyle and behavioral interventions.
Readers will learn the clinical intent of the code, typical sites of service, common billing modifiers and operational considerations, and the kinds of benchmarks and policy updates that influence reimbursement and utilization. The write-up highlights where input data is present and explicitly notes when specific items are not available. This resource is designed for billing managers, revenue cycle staff, and policy analysts seeking a concise, national-level reference for HCPCS Level II code S9449.
Billing Code Overview
HCPCS Level II code S9449 represents weight management classes delivered by a non-physician provider, billed per session. The service is typically a structured educational or counseling session focused on weight management, delivered by qualified non-physician clinicians such as dietitians, nutritionists, health educators, or behavioral counselors.
Service type: Weight management class, non-physician provider, per session
Typical site of service: Outpatient clinic, community health center, hospital outpatient department, or other ambulatory care settings where group or individual weight management education and counseling sessions are provided.
Data not available in the input.
Clinical & Coding Specifications
Clinical Context
A 42-year-old patient with obesity and comorbid hypertension is referred to a multidisciplinary weight management program staffed by non-physician providers (dietitians, health coaches, behavioral therapists). The patient attends weekly group classes billed per session under S9449. Each session includes education on nutrition, physical activity guidance, behavioral modification techniques, self-monitoring strategies, and goal-setting. The typical workflow: referral or order from a primary care provider; initial intake by a registered dietitian or behavioral health specialist to document baseline weight, vital signs, and readiness to change; participation in a structured 60-minute class with group instruction and individual counseling components; documentation of attendance, topics covered, patient progress toward goals, and any medical concerns requiring physician follow-up; and periodic reassessment (for example, every 4–12 weeks) with communication back to the referring provider. Typical sites of service include outpatient clinic education rooms, community health centers, hospital outpatient departments, and virtual telehealth platforms when supported. Common patient scenarios include weight loss for obesity (E66.x), weight management in the setting of prediabetes or metabolic syndrome, and supervised lifestyle modification for cardiovascular risk reduction.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 |