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S9475 HCPCS Level II code: Ambulatory setting substance abuse treatment or detoxification services, per diem

S9475 is the HCPCS code for “Ambulatory setting substance abuse treatment or detoxification services, per diem” in CMS’s October 2026 release, in effect from Oct 1, 2026.

Official description

S9475

Ambulatory setting substance abuse treatment or detoxification services, per diem

Short description: Ambulatory setting substance

HCPCS · United States

Notes for S9475

As CMS prints them, with any note S9475 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 S9475 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, 2000

Where S9475 sits

  1. 1S codesTemporary national codes (non-Medicare)
  2. 2Active code S9475Ambulatory setting substance abuse treatment or detoxification services, 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.

See S9475 in the CMS source

Frequently asked questions

What does HCPCS code S9475 mean?

S9475 is the HCPCS code for “Ambulatory setting substance abuse treatment or detoxification services, per diem” in CMS’s HCPCS Level II October 2026 release.

Does Medicare cover S9475?

CMS lists S9475’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 S9475

S9460Diabetic management program, nurse visitS9465Diabetic management program, dietitian visitS9470Nutritional counseling, dietitian visitS9472Cardiac rehabilitation program, non-physician provider, per diemS9473Pulmonary rehabilitation program, non-physician provider, per diemS9474Enterostomal therapy by a registered nurse certified in enterostomal therapy, per diemS9476Vestibular rehabilitation program, non-physician provider, per diemS9480Intensive outpatient psychiatric services, per diemS9482Family stabilization services, per 15 minutesS9484Crisis intervention mental health services, per hourS9485Crisis intervention mental health services, per diemS9490Home infusion therapy, corticosteroid infusion; administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment (drugs and…