S5551 is a valid 2023 HCPCS Code that could be used to indicate Insulin, most rapid onset (lispro or aspart); 5 units for reimbursement purposes.

S5551 belongs to Other Medical Items or Services Type of Service and has been in effect since Oct 01, 2003.

Short description for S5551 HCPCS code:

Insulin most rapid 5 u