S5551 – Insulin, most rapid onset (lispro or aspart); 5 units
HCPCS Level II code · S codes: Temporary National Codes (Non-Medicare)
HCPCS codeS5551
- Long description
- Insulin, most rapid onset (lispro or aspart); 5 units
- Short description
- Insulin most rapid 5 u
- Pricing indicator
00Not separately priced by Part B (bundled, not covered or Part A only)- Medicare coverage
INot payable by Medicare- BETOS category
Z2Undefined codes- Added
- October 1, 2003
- Last change
- October 1, 2003 – No change
Frequently asked questions
What is HCPCS code S5551?
S5551 is a HCPCS Level II code for insulin, most rapid onset (lispro or aspart); 5 units.
Does Medicare cover S5551?
The HCPCS file lists coverage code I: Not payable by Medicare. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby S codes
- S5502 – Home infusion therapy, catheter care / maintenance, implanted access device, includes administrative services, professional pharmacy services, care coordination and all necessary supplies and equipment, (drugs and nursing visits coded separately), per diem (use this code for interim maintenance of vascular access not currently in use)
- S5517 – Home infusion therapy, all supplies necessary for restoration of catheter patency or declotting
- S5518 – Home infusion therapy, all supplies necessary for catheter repair
- S5520 – Home infusion therapy, all supplies (including catheter) necessary for a peripherally inserted central venous catheter (picc) line insertion
- S5521 – Home infusion therapy, all supplies (including catheter) necessary for a midline catheter insertion
- S5522 – Home infusion therapy, insertion of peripherally inserted central venous catheter (picc), nursing services only (no supplies or catheter included)
- S5523 – Home infusion therapy, insertion of midline venous catheter, nursing services only (no supplies or catheter included)
- S5550 – Insulin, rapid onset, 5 units
- S5552 – Insulin, intermediate acting (nph or lente); 5 units
- S5553 – Insulin, long acting; 5 units
- S5560 – Insulin delivery device, reusable pen; 1.5 ml size
- S5561 – Insulin delivery device, reusable pen; 3 ml size
- S5565 – Insulin cartridge for use in insulin delivery device other than pump; 150 units
- S5566 – Insulin cartridge for use in insulin delivery device other than pump; 300 units
- S5570 – Insulin delivery device, disposable pen (including insulin); 1.5 ml size
- S5571 – Insulin delivery device, disposable pen (including insulin); 3 ml size
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.