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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 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 85810

Measurement of serum viscosity.

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 85302

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

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 85210

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

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 85260

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

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 85018

This CPT code reports a blood count to measure hemoglobin (Hgb).

2025 CPT code 85445

This CPT code reports the laboratory analysis of a blood sample after acetyl phenylhydrazine administration to detect Heinz bodies, indicating hemoglobin instability.

2025 CPT code 85460

Identifies fetal cells in maternal blood using differential lysis (Kleihauer-Betke) to quantify fetomaternal hemorrhage.

2025 CPT code 85055

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

2025 CPT code 85611

Prothrombin time; substitution with plasma fractions, each.

2025 CPT code 85097

Bone marrow smear interpretation.

2025 CPT code 85002

This test measures the time it takes for bleeding to stop after a small incision, assessing platelet function and the body's ability to form a clot.

2025 CPT code 85300

Assay of antithrombin III activity.

2025 CPT code 85610

Prothrombin Time (PT)

2025 CPT code 85250

Clotting; factor IX (PTC or Christmas)

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 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 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.