S3630 HCPCS Level II code: Eosinophil count, blood, direct

S3630 is the HCPCS code for “Eosinophil count, blood, direct” in CMS’s October 2026 release, in effect from Oct 1, 2026.

Official description

S3630

Eosinophil count, blood, direct

Short description: Eosinophil blood count

HCPCS · United States

Notes for S3630

As CMS prints them, with any note S3630 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 S3630 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 S3630 sits

  1. 1S codesTemporary national codes (non-Medicare)
  2. 2Active code S3630Eosinophil count, blood, direct

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 S3630 mean?

S3630 is the HCPCS code for “Eosinophil count, blood, direct” in CMS’s HCPCS Level II October 2026 release.

Does Medicare cover S3630?

CMS lists S3630’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.