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85293 Clot factor wght kininogen

Pathology & Lab

Also known as: high-molecular-weight kininogen, HMWK assay

Assay of high-molecular-weight kininogen (HMWK), a contact activation factor supporting factor XII and prekallikrein function, using plasma correction methodology.

In Plain Language

kininogen test; contact factor level

Clinical Context

Evaluates HMWK deficiency causing prolonged activated partial thromboplastin time; deficiency does not cause clinical bleeding.

RVU Information

CPT 85293 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

Clinical PathologyCoagulationHematology

Frequently Asked Questions

What is CPT code 85293?

CPT 85293 (Clot factor wght kininogen) is a Pathology & Lab code. Assay of high-molecular-weight kininogen (HMWK), a contact activation factor supporting factor XII and prekallikrein function, using plasma correction methodology.

Who uses CPT code 85293?

CPT 85293 is used by Clinical Pathology, Coagulation, Hematology. Evaluates HMWK deficiency causing prolonged activated partial thromboplastin time; deficiency does not cause clinical bleeding.

When is CPT 85293 used?

Evaluates HMWK deficiency causing prolonged activated partial thromboplastin time; deficiency does not cause clinical bleeding.

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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.