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P2028 Cephalin floculation test

P Codes

Also known as: Cephalin flocculation, Coagulation screen

Cephalin flocculation test, a blood coagulation study to assess liver function and bleeding tendency.

In Plain Language

Blood clotting liver test

Clinical Context

Historically used liver function and coagulation assessment test, now largely replaced by prothrombin time (PT) and partial thromboplastin time (PTT).

RVU Information

CPT P2028 does not have a physician work RVU assigned by CMS. This is typical for supply, drug, and equipment codes — reimbursement is based on Average Sales Price (ASP), fee schedules, or payer contracts rather than the RVU system.

Billing & Documentation

P-codes cover pathology screening and blood product services. Documentation must include the ordering provider, clinical indication, and specimen type. For blood products, include the product type, volume, and transfusion details.

Specialties

Laboratory MedicinePathology

Frequently Asked Questions

What is CPT code P2028?

CPT P2028 (Cephalin floculation test) is a P Codes code. Cephalin flocculation test, a blood coagulation study to assess liver function and bleeding tendency.

Does Medicare cover P2028?

Medicare coverage for P2028 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Historically used liver function and coagulation assessment test, now largely replaced by prothrombin time (PT) and partial thromboplastin time (PTT). A physician order is typically required.

When is CPT P2028 used?

Historically used liver function and coagulation assessment test, now largely replaced by prothrombin time (PT) and partial thromboplastin time (PTT).

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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.