- Special Stain for Microorganism; Gram or Glemsa Stain
- Special stain for microorganism; special stain for parasites
- Speech Therapy
- Spinal fusion (cervical)
- Spinal fusion except cervical
- Spinal fusion (non-cervical)
- Spine arthrodesis
- Spirometry - breathing test
- Stool analysis for blood
- Stool Culture
- Strapping, Unna boot
- Strep Test
- Streptoccus
- Stress test with echocardiogram
- Subsequent observation care, typically 15 minutes per day
- Subsequent observation care, typically 25 minutes per day
- Subsequent observation care, typically 35 minutes per day
- Surgery to remove of all or part of a torn meniscus in both medial and lateral compartments
- Surgical drainage of hematoma or seroma
- Surgical hysteroscopy with biopsy
- Suture of infrapatellar tendon; primary
- Suture of quadriceps or hamstring muscle rupture; primary
- Swallow Evaluation
- Swallow Treatment
- Synovectomy; intertarsal or tarsometatarsal joint
- Syphilis Detection Test