S9558 HCPCS Level II code: Home injectable therapy; growth hormone, including administrative services, professional pharmacy services, care coordination, and all necessary supplies and…
S9558 is the HCPCS code for “Home injectable therapy; growth hormone, including administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits…” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
S9558Home injectable therapy; growth hormone, 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 inj growth horm diem
HCPCS · United States
Notes for S9558
As CMS prints them, with any note S9558 takes from the headings above it.
Note
- CMS processing note 0088: "S" CODES ARE UNIQUE TEMPORARY CODES ESTABLISHED BY BCBSA AND HIAA FOR PRIVATE PAYOR USE. THEY ARE NOT VALID NOR PAYABLE BY MEDICARE.
Medicare details
The indicators CMS publishes with S9558 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Not payable by Medicare
- Medicare pricing
- Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)
- Type of service
- Other medical items or services
- BETOS category
- Undefined codes
- Added
- Jan 1, 2002
Where S9558 sits
- 1S codesTemporary national codes (non-Medicare)
- 2Active code S9558Home injectable therapy; growth hormone, including administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits coded separately), per diem
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code S9558 mean?
S9558 is the HCPCS code for “Home injectable therapy; growth hormone, including administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and nursing visits coded separately), per diem” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover S9558?
CMS lists S9558’s Medicare coverage as “Not payable by Medicare” and its pricing as “Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside S9558
All S codesS9503Home infusion therapy, antibiotic, antiviral, or antifungal; once every 6 hours; administrative services, professional pharmacy services, care coordination, and all necessary…S9504Home infusion therapy, antibiotic, antiviral, or antifungal; once every 4 hours; administrative services, professional pharmacy services, care coordination, and all necessary…S9529Routine venipuncture for collection of specimen(s), single home bound, nursing home, or skilled nursing facility patientS9537Home therapy; hematopoietic hormone injection therapy (e.g., erythropoietin, g-csf, gm-csf); administrative services, professional pharmacy services, care coordination, and all…S9538Home transfusion of blood product(s); administrative services, professional pharmacy services, care coordination and all necessary supplies and equipment (blood products, drugs…S9542Home injectable therapy, not otherwise classified, including administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment…S9559Home injectable therapy, interferon, including administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and…S9560Home injectable therapy; hormonal therapy (e.g.; leuprolide, goserelin), including administrative services, professional pharmacy services, care coordination, and all necessary…S9562Home injectable therapy, palivizumab or other monoclonal antibody for rsv, including administrative services, professional pharmacy services, care coordination, and all necessary…S9563Home injectable therapy, immunotherapy, including administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and…S9590Home therapy, irrigation therapy (e.g., sterile irrigation of an organ or anatomical cavity); including administrative services, professional pharmacy services, care…S9810Home therapy; professional pharmacy services for provision of infusion, specialty drug administration, and/or disease state management, not otherwise classified, per hour (do not…