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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 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 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 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.
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 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.
2025 CPT code 85732
Partial thromboplastin time (PTT) test with plasma fraction substitution; each substitution.
2025 CPT code 85048
Automated white blood cell (WBC) count.
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