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85730 Thromboplastin time partial

Pathology & Lab

Also known as: aPTT, APTT, PTT

Activated partial thromboplastin time test measures plasma clotting time after addition of a contact activator and phospholipid reagent, screening for intrinsic and common pathway defects.

In Plain Language

Blood clotting screening test; Heparin monitoring test

Clinical Context

Primary screening test for bleeding disorders affecting intrinsic and common coagulation pathways. Essential for monitoring unfractionated heparin therapy and evaluating prolonged bleeding.

RVU Information

CPT 85730 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

Hemostasis/ThrombosisClinical PathologyHematology

Frequently Asked Questions

What is CPT code 85730?

CPT 85730 (Thromboplastin time partial) is a Pathology & Lab code. Activated partial thromboplastin time test measures plasma clotting time after addition of a contact activator and phospholipid reagent, screening for intrinsic and common pathway defects.

Who uses CPT code 85730?

CPT 85730 is used by Hemostasis/Thrombosis, Clinical Pathology, Hematology. Primary screening test for bleeding disorders affecting intrinsic and common coagulation pathways. Essential for monitoring unfractionated heparin therapy and evaluating prolonged bleeding.

When is CPT 85730 used?

Primary screening test for bleeding disorders affecting intrinsic and common coagulation pathways. Essential for monitoring unfractionated heparin therapy and evaluating prolonged 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.