85009 Manual diff wbc count b-coat
Also known as: buffy coat differential, buffy coat diff
Manual differential white blood cell count from blood buffy coat (concentrated white cell layer from centrifugation), providing cell type quantification without blood smear preparation.
In Plain Language
concentrate white blood cell test; quick differential count
Clinical Context
Alternative method for obtaining WBC differential when standard smear unavailable; concentrates WBCs for improved identification in leukopenic specimens.
RVU Information
CPT 85009 does not have a physician work RVU assigned by CMS. Reimbursement for this code is determined by payer-specific fee schedules.
Billing & Documentation
Lab and pathology codes require an order from the treating provider with clinical indication. For molecular pathology and genetic testing, document the specific analytes tested and clinical rationale.
How This Code Compares
This code has a work RVU of 0.00, meaning it does not have a physician work component assigned by CMS. In the Pathology & Lab category, 94% of codes share this characteristic.
Specialties
Frequently Asked Questions
What is CPT code 85009?
CPT 85009 (Manual diff wbc count b-coat) is a Pathology & Lab code. Manual differential white blood cell count from blood buffy coat (concentrated white cell layer from centrifugation), providing cell type quantification without blood smear preparation.
Who uses CPT code 85009?
CPT 85009 is used by Clinical Pathology, Hematology, Laboratory Medicine. Alternative method for obtaining WBC differential when standard smear unavailable; concentrates WBCs for improved identification in leukopenic specimens.
When is CPT 85009 used?
Alternative method for obtaining WBC differential when standard smear unavailable; concentrates WBCs for improved identification in leukopenic specimens.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.