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ALL MEDICAL CODES IN CATEGORY Hematology and Coagulation Procedures

2025 CPT code 85610

Prothrombin Time (PT)

2025 CPT code 85244

Clotting; factor VIII related antigen. This test determines the presence of factor VIII related antigen in the patient’s serum.

2025 CPT code 85240

This code describes a one-stage clotting test to determine the level of factor VIII (antihemophilic factor AHG) in a patient's serum.

2025 CPT code 85245

Clotting; factor VIII, VW factor, ristocetin cofactor.This test evaluates platelet function in the presence of ristocetin.

2025 CPT code 85246

Von Willebrand factor antigen assay.

2025 CPT code 85335

This test quantifies a specific coagulation factor inhibitor in patient plasma after a positive inhibitor screening test.

2025 CPT code 85547

Mechanical fragility, RBC (red blood cell).

2025 CPT code 85347

Activated coagulation time test.

2025 CPT code 85303

This code represents a test to measure the activity of protein C in a patient's plasma, which helps evaluate their blood clotting ability.

2025 CPT code 85390

Fibrinolysins or coagulopathy screen, interpretation and report.

2025 CPT code 85307

Activated Protein C (APC) resistance assay.

2025 CPT code 85598

Hexagonal phase phospholipid neutralization procedure.

2025 CPT code 85384

Fibrinogen; activity

2025 CPT code 85380

Fibrin degradation products, D-dimer; ultrasensitive (e.g., for evaluation for venous thromboembolism), qualitative or semiquantitative.

2025 CPT code 85549

Muramidase (lysozyme) level in plasma.

2025 CPT code 85441

Direct stain of a blood smear to identify Heinz bodies.

2025 CPT code 85260

Analyzes clotting factor X (Stuart-Prower factor) activity in a patient's serum.

2025 CPT code 85041

Automated red blood cell (RBC) count; this test measures the number of RBCs in a blood sample using automated systems.

2025 CPT code 85525

Heparin neutralization in a plasma specimen.

2025 CPT code 85293

This code reports a laboratory test to measure high molecular weight kininogen (Fitzgerald factor) in a patient's plasma, usually to investigate prolonged partial thromboplastin time (PTT).

2025 CPT code 85360

Euglobulin lysis time measures the time it takes for a euglobulin clot from a patient's plasma sample to break down, assessing fibrinolytic activity.

2025 CPT code 85055

Reticulated platelet assay; analysis of a blood sample to determine the percentage of reticulated platelets.

2025 CPT code 85009

Manual differential white blood cell count using the buffy coat method.

2025 CPT code 85305

Clotting inhibitors or anticoagulants; protein S, total

2025 CPT code 85300

Assay of antithrombin III activity.

2025 CPT code 85250

Clotting; factor IX (PTC or Christmas)

2025 CPT code 85810

Measurement of serum viscosity.

2025 CPT code 85651

Sedimentation rate, erythrocyte; non-automated. This code represents a manual test to measure the rate at which red blood cells settle in a test tube, used to detect inflammation.

2025 CPT code 85660

Sickling of RBC, reduction

2025 CPT code 85397

Coagulation and fibrinolysis, functional activity, not otherwise specified (e.g., ADAMTS-13), each analyte

2025 CPT code 85536

Iron stain, peripheral blood. This test identifies iron deposits (siderotic granules) in red blood cells using a peripheral blood smear.

2025 CPT code 85520

Heparin assay.

2025 CPT code 85461

Evaluation of fetomaternal hemorrhage, by rosette test.

2025 CPT code 85027

Automated complete blood count (CBC) including hemoglobin, hematocrit, red blood cell (RBC) count, white blood cell (WBC) count, and platelet count.

2025 CPT code 85270

Laboratory analysis to measure factor XI (PTA) levels in a patient's blood sample to assess clotting ability.

2025 CPT code 85060

Physician interpretation of a peripheral blood smear with a written report.

2025 CPT code 85475

Acidified serum hemolysis test to evaluate red blood cell breakdown.

2025 CPT code 85045

Automated reticulocyte count using an automated hematology analyzer.

2025 CPT code 85348

This CPT code reports coagulation time determined by methods not specified elsewhere.

2025 CPT code 85362

Semiquantitative slide agglutination test for fibrinogen degradation products (FDP) or fibrinogen split products (FSP).

2025 CPT code 85612

This test measures the time it takes for blood to clot after adding undiluted Russell's viper venom.

2025 CPT code 85290

This CPT code reports a qualitative test for Factor XIII (fibrin stabilizing factor) in a patient's serum to assess clot stability.

2025 CPT code 85999

Unlisted hematology and coagulation procedure.

2025 CPT code 85175

Blood clot lysis time determination using whole blood dilution.

2025 CPT code 85421

Antigenic assay for plasminogen.

2025 CPT code 85378

Qualitative or semiquantitative assay to detect D-dimer levels in patient blood.

2025 CPT code 85130

Chromogenic substrate assay to measure the concentration of therapeutic anticoagulants in a blood sample.

2025 CPT code 85210

This code reports the laboratory analysis of coagulation Factor II (prothrombin) activity in a patient's serum.

2025 CPT code 85635

Reptilase time test measures the clotting time of plasma using reptilase, a thrombin-like enzyme, to assess fibrinogen function and rule out heparin interference.

2025 CPT code 85675

Measures the time it takes for a blood clot to form after adding thrombin to plasma; assesses fibrinogen function.

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