S9590 – Home therapy, irrigation therapy (e.g., sterile irrigation of an organ or anatomical cavity); including administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits coded separately), per diem

HCPCS Level II code · S codes: Temporary National Codes (Non-Medicare)

Active code Not payable by Medicare

HCPCS codeS9590
Long description
Home therapy, irrigation therapy (e.g., sterile irrigation of an organ or anatomical cavity); including administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits coded separately), per diem
Short description
Ht irrigation diem
Pricing indicator
00 Not separately priced by Part B (bundled, not covered or Part A only)
Medicare coverage
I Not payable by Medicare
BETOS category
Z2 Undefined codes
Added
January 1, 2003
Last change
January 1, 2003 – No change

Frequently asked questions

What is HCPCS code S9590?

S9590 is a HCPCS Level II code for home therapy, irrigation therapy (e.g., sterile irrigation of an organ or anatomical cavity); including administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits coded separately), per diem.

Does Medicare cover S9590?

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

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.