Summary & Overview
HCPCS P9051: Leukocyte-Reduced, CMV-Negative Whole Blood/Red Blood Cells, Each Unit
HCPCS Level II code P9051 denotes one unit of whole blood or red blood cells that have been leukocyte reduced and tested CMV-negative. The code is used when supplying a specifically processed blood component intended for patients with immunocompromise, pregnant women, neonates, or other clinical situations where CMV transmission risk and leukocyte-mediated reactions must be minimized. Nationally, accurate coding of specialized blood products like P9051 matters for clinical care coordination, inventory management, and transparent billing for transfusion services.
Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of clinical context for CMV-negative, leukocyte-reduced blood components, typical sites of service where this product is used, and the common modifiers associated with transfusion service billing. The publication also summarizes benchmark practices and payer coverage considerations, clarifies coding conventions for HCPCS Level II reporting of blood products, and outlines where to find related billing guidance.
This summary is intended for clinicians, billing professionals, and policy analysts seeking a concise reference for billing, coding, and clinical context of HCPCS Level II code P9051. Data not available in the input will be identified in relevant sections of the full publication.
Billing Code Overview
HCPCS Level II code P9051 describes whole blood or red blood cells, leukocytes reduced, cytomegalovirus (CMV)-negative, billed per each unit. This product is a matched blood component processed to reduce leukocytes and screened to be CMV-negative for patients where CMV-negative transfusion is clinically indicated.
Service type: Blood product transfusion / blood component supply
Typical site of service: Hospital inpatient or outpatient transfusion services, blood bank dispensing, and ambulatory infusion or transfusion centers
Data not available in the input.
Clinical & Coding Specifications
Clinical Context
A 62-year-old immunocompromised patient with a history of allogeneic stem cell transplant presents with anemia and symptomatic blood loss requiring red blood cell transfusion. The transfusion service orders leukocyte-reduced, cytomegalovirus (CMV)-seronegative red blood cell units to minimize risk of CMV transmission and febrile non-hemolytic transfusion reactions. Blood bank staff crossmatch compatible P9051 units, verify patient identification and informed consent, and deliver units to the inpatient ward or transfusion clinic. A registered nurse performs pre-transfusion vitals, initiates the transfusion at the bedside or in an outpatient infusion chair, monitors for transfusion reactions, documents unit numbers and vital signs, and reports any adverse events to the blood bank and transfusion physician. Electronic medical record flows include transfusion consent, blood product administration record, and blood bank release documentation.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | No modifier | Use when no other modifier applies to the service |
22 | Increased procedural services |