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ALL MEDICAL CODES IN CATEGORY Hematology and Coagulation Procedures

2025 CPT code 85046

Automated reticulocyte count with one or more cellular parameters.

2025 CPT code 85652

Automated erythrocyte sedimentation rate (ESR) test.

2025 CPT code 85292

Clotting; prekallikrein assay (Fletcher factor assay)

2025 CPT code 85396

Coagulation/fibrinolysis assay, whole blood (e.g., viscoelastic clot assessment), including use of any pharmacologic additive(s), as indicated, including interpretation and written report, per day.

2025 CPT code 85291

Qualitative solubility screening test for coagulation factor XIII (fibrin stabilizing factor) to evaluate clot lysis.

2025 CPT code 85420

This CPT code reports a laboratory test for fibrinolytic plasminogen activity.

2025 CPT code 85247

Multimetric analysis of coagulation factor VIII (von Willebrand factor).

2025 CPT code 85301

This CPT code represents an antithrombin III antigen assay, a laboratory test measuring the amount of antithrombin III protein in a plasma sample.

2025 CPT code 85410

Alpha-2 antiplasmin assay; a test to measure levels of alpha-2 antiplasmin, a fibrinolytic inhibitor in plasma.

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 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 85540

Leukocyte alkaline phosphatase (LAP) with count.

2025 CPT code 85170

Clot retraction assessment.

2025 CPT code 85370

Quantitative measurement of fibrinogen degradation products (FDP) or fibrin split products (FSP) in a patient's blood sample.

2025 CPT code 85220

This CPT code represents a laboratory test to measure factor V levels in a patient's serum, aiding in diagnosing coagulation disorders.

2025 CPT code 85302

This test measures the level of protein C antigen in a patient's 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 85044

Manual reticulocyte count of blood smear.

2025 CPT code 85613

Dilute Russell viper venom time (dRVVT) test, 1:1 mixing study.

2025 CPT code 85670

This test measures the time it takes for a blood clot to form in plasma after adding thrombin, assessing fibrinogen function.

2025 CPT code 85415

Analyzes fibrinolytic factors or inhibitors related to plasminogen activation.

2025 CPT code 85049

Automated platelet count using an automated cell counter.

2025 CPT code 85611

Prothrombin time; substitution with plasma fractions, each.

2025 CPT code 85014

Blood count; hematocrit (Hct).

2025 CPT code 85305

Clotting inhibitors or anticoagulants; protein S, total

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.