Blue Cross/Blue Shield and other commercial payers develop S codes to report drugs, services, and supplies. These codes may not be used to bill services paid under any Medicare payment system. Medicare does not reimburse for services under S codes.

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• S9368

  Home infusion therapy, total parenteral nutrition (tpn); more than three liters per day, administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment including standard tpn formula (lipids, specialty amino acid formulas, drugs other than in standard formula and nursing visits coded separately), per diem

• S9370

  Home therapy, intermittent anti-emetic injection therapy; administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits coded separately), per diem

• S9372

  Home therapy; intermittent anticoagulant injection therapy (e.g., heparin); administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits coded separately), per diem (do not use this code for flushing of infusion devices with heparin to maintain patency)

• S9373

  Home infusion therapy, hydration therapy; administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits coded separately), per diem (do not use with hydration therapy codes s9374-s9377 using daily volume scales)

• S9374

  Home infusion therapy, hydration therapy; one liter per day, administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits coded separately), per diem

• S9375

  Home infusion therapy, hydration therapy; more than one liter but no more than two liters per day, administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits coded separately), per diem

• S9376

  Home infusion therapy, hydration therapy; more than two liters but no more than three liters per day, administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits coded separately), per diem

• S9377

  Home infusion therapy, hydration therapy; more than three liters per day, administrative services, professional pharmacy services, care coordination, and all necessary supplies (drugs and nursing visits coded separately), per diem

• S9379

  Home infusion therapy, infusion therapy, not otherwise classified; administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits coded separately), per diem

• S9381

  Delivery or service to high risk areas requiring escort or extra protection, per visit

• S9401

  Anticoagulation clinic, inclusive of all services except laboratory tests, per session

• S9430

  Pharmacy compounding and dispensing services

• S9432

  Medical foods for non-inborn errors of metabolism

• S9433

  Medical food nutritionally complete, administered orally, providing 100% of nutritional intake

• S9434

  Modified solid food supplements for inborn errors of metabolism

• S9435

  Medical foods for inborn errors of metabolism

• S9436

  Childbirth preparation/lamaze classes, non-physician provider, per session

• S9437

  Childbirth refresher classes, non-physician provider, per session

• S9438

  Cesarean birth classes, non-physician provider, per session

• S9439

  Vbac (vaginal birth after cesarean) classes, non-physician provider, per session

• S9441

  Asthma education, non-physician provider, per session

• S9442

  Birthing classes, non-physician provider, per session

• S9443

  Lactation classes, non-physician provider, per session

• S9444

  Parenting classes, non-physician provider, per session

• S9445

  Patient education, not otherwise classified, non-physician provider, individual, per session

• S9446

  Patient education, not otherwise classified, non-physician provider, group, per session

• S9447

  Infant safety (including cpr) classes, non-physician provider, per session

• S9449

  Weight management classes, non-physician provider, per session

• S9451

  Exercise classes, non-physician provider, per session

• S9452

  Nutrition classes, non-physician provider, per session

• S9453

  Smoking cessation classes, non-physician provider, per session

• S9454

  Stress management classes, non-physician provider, per session

• S9455

  Diabetic management program, group session

• S9460

  Diabetic management program, nurse visit

• S9465

  Diabetic management program, dietitian visit

• S9470

  Nutritional counseling, dietitian visit

• S9472

  Cardiac rehabilitation program, non-physician provider, per diem

• S9473

  Pulmonary rehabilitation program, non-physician provider, per diem

• S9474

  Enterostomal therapy by a registered nurse certified in enterostomal therapy, per diem

• S9475

  Ambulatory setting substance abuse treatment or detoxification services, per diem

• S9476

  Vestibular rehabilitation program, non-physician provider, per diem

• S9480

  Intensive outpatient psychiatric services, per diem

• S9482

  Family stabilization services, per 15 minutes

• S9484

  Crisis intervention mental health services, per hour

• S9485

  Crisis intervention mental health services, per diem

• S9490

  Home infusion therapy, corticosteroid infusion; administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits coded separately), per diem

• S9494

  Home infusion therapy, antibiotic, antiviral, or antifungal therapy; administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits coded separately), per diem (do not use this code with home infusion codes for hourly dosing schedules s9497-s9504)

• S9497

  Home infusion therapy, antibiotic, antiviral, or antifungal therapy; once every 3 hours; administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits coded separately), per diem

• S9500

  Home infusion therapy, antibiotic, antiviral, or antifungal therapy; once every 24 hours; administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits coded separately), per diem

• S9501

  Home infusion therapy, antibiotic, antiviral, or antifungal therapy; once every 12 hours; administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits coded separately), per diem

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HCPCS Level II codes and descriptors are approved and maintained jointly by the alpha-numeric editorial panel (consisting of CMS, the Health Insurance Association of America, and the Blue Cross and Blue Shield Association). — Updated 6/3/2026

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