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ALL MEDICAL CODES IN CATEGORY Hematology and Coagulation Procedures
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 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.
2025 CPT code 85576
Platelet aggregation (in vitro), each agent.
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 85597
This CPT code represents a laboratory test evaluating blood clotting time after adding phospholipids from platelet membranes.
2025 CPT code 85460
Identifies fetal cells in maternal blood using differential lysis (Kleihauer-Betke) to quantify fetomaternal hemorrhage.
2025 CPT code 85097
Bone marrow smear interpretation.
2025 CPT code 85366
Paracoagulation test for fibrin degradation products (FDP) in patient plasma.
2025 CPT code 85007
Manual differential white blood cell count from a blood smear, including red blood cell morphology and platelet estimation.
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 85004
Automated differential white blood cell (WBC) count using an automated hematology analyzer.
2025 CPT code 85400
This CPT code represents a laboratory test for plasmin, a fibrinolytic factor.
2025 CPT code 85046
Automated reticulocyte count with one or more cellular parameters.
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.
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