HCPCS Level II G4 codes
39 active HCPCS Level II codes beginning G4, from G4000 to G4038. Part of the full HCPCS Level II index.
- G4000Dermatology ss
- G4001Diagnostic rad ss
- G4002Ep cardio ss
- G4003Emergency med ss
- G4004Endocrinology ss
- G4005Family medicine ss
- G4006Gastroenterology ss
- G4007General surgery ss
- G4008Geriatrics ss
- G4009Hospitalists ss
- G4010Infectious disease ss
- G4011Internal medicine ss
- G4012Interventional rad ss
- G4013Mntal/behav/psych hlth ss
- G4014Nephrology ss
- G4015Neurology ss
- G4016Neurosurgical ss
- G4017Nutrition/dietician ss
- G4018Ob/gyn ss
- G4019Oncology/hema ss
- G4020Ophthalmology/optometry ss
- G4021Orthopedic surgery ss
- G4022Otolaryngology ss
- G4023Pathology ss
- G4024Pediatrics ss
- G4025Physical medicine ss
- G4026Phys/occ therapy ss
- G4027Plastic surgery ss
- G4028Podiatry ss
- G4029Preventive medicine ss
- G4030Pulmonology ss
- G4031Radiation oncology ss
- G4032Rheumatology ss
- G4033Skilled nursing facility ss
- G4034Speech language path ss
- G4035Thoracic surgery ss
- G4036Urgent care ss
- G4037Urology ss
- G4038Vascular surgery ss
Source
HCPCS Level II July 2026 quarterly update. Centers for Medicare & Medicaid Services (CMS), “July 2026 Alpha-Numeric HCPCS File” (HCPC2026_JUL_ANWEB_06172026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.