CPT procedure code

85004 — Blood count; automated differential WBC count

HematologyCPT

Medicare payment

$6.47

2026 Clinical Laboratory Fee Schedule

Source: CMS Clinical Laboratory Fee Schedule (2026). CMS fee schedules ↗ · PFS status indicator X

National amount before geographic adjustment. Your MAC's locality rate will differ.

Code definition

Code

85004

Code system

CPT (Current Procedural Terminology)

Description

Blood count; automated differential WBC count

Category

Hematology

Short description sourced from CMS publicly available fee schedule data. Full CPT descriptions are copyright AMA. Not a substitute for the official CPT codebook.

Latest reimbursement alerts

No policy changes are currently matched to 85004. Here are the latest changes across all codes.

CMS Transmittal R14006FM: Notice of New Interest Rate for Medicare Overpayments and Underpayments -1st Quarter…

Multi-specialty

High
View alert

CMS Transmittal R14007FM: Creation of the 'PROVIDER-TERMINATED' Status at the Provider/Customer Level on the Healthcare…

Multi-specialty

High
View alert

Federal Register Notice: Agency Information Collection Activities: Proposed Collection; Comment Request

Multi-specialty

Low
View alert

Federal Register Notice: Agency Information Collection Activities: Proposed Collection; Comment Request

Multi-specialty

Low
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CMS Transmittal R14001BP: Internet Only Manual Updates to Publication (Pub.) 100-02 for Inpatient Rehabilitation Facility…

Inpatient (IPPS)

High
View alert

FDA Approval: BREZTRI AEROSPHERE (BUDESONIDE, GLYCOPYRROLATE, AND FORMOTEROL FUMARATE) — Type 5 - New Formulation or New Manufacturer

Pulmonology

Low
View alert

Audit documentation

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The Tripwire Audit Pack exports 12 months of Hematology policy-change history — every alert with a link to its government source document, as a formatted PDF for compliance distribution plus a machine-readable CSV. Delivered automatically after payment. No account, no call.

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Related CPT codes (850xx)

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