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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 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 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.

2025 CPT code 85652

Automated erythrocyte sedimentation rate (ESR) test.

2025 CPT code 85292

Clotting; prekallikrein assay (Fletcher factor assay)

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 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.