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Anemia

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a condition in which blood is deficient in the amount of hemoglobin in red blood cells or in the volume of red blood cells

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Aplastic Anemia

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a condition in which there is a deficiency of red blood cells because the bone marrow is failing to produce them

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Pancytopenia

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a type of aplastic anemia in which red blood cells, white blood cells, and platelets are all deficient

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Sickle-Cell Anemia

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a hereditary disease of the red blood cells passed to a child when both parents carry the genetic trait

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Sickle-Cell Trait

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a condition that occurs when a child receives the trait from only one parent

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Thrombocytopenia

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a deficiency in platelets, the cells that are important in blood clotting

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Iron-Deficiency Anemia specified as secondary to acute blood loss

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D62, Acute posthemorrhagic anemia instead of D50

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D52.1, Drug-induced folate deficiency anemia

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Requires a T code for drug

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When postoperative anemia is documented without specification of acute blood loss

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D64.9, Anemia, unspecified

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D62, Acute posthemorrhagic anemia

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should be assigned when postoperative anemia is due to acute blood loss

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When neither the diagnostic statement nor review of the medical record indicates whether a blood-loss anemia is acute or chronic

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D50.0, Iron deficiency anemia secondary to blood loss (chronic)

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Anemia in chronic kidney disease

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Code first the underlying chronic kidney disease (CKD) with a code from category N18 to indicate the stage of CKD, and code D63.1.

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Anemia in neoplastic disease

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Code first the neoplasm (C00-D49) responsible for the anemia and code D63.0. Code D63.0 is for anemia in, due to, or with the malignancy, and not due to the antineoplastic chemotherapy drugs, which is an adverse effect.

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Anemia of other chronic disease

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Code first the underlying chronic disease, followed by code D63.8.

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Antineoplastic chemotherapy-induced anemia

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D64.81, Anemia due to antineoplastic chemotherapy

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When the admission/encounter is for management of an anemia associated with an adverse effect of chemotherapy, and the only treatment is for anemia

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the anemia code should be sequenced first, followed by the appropriate codes for the adverse effect and neoplasm.

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aplastic anemia due to antineoplastic chemotherapy

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D61.1, Drug-induced aplastic anemia, with an additional code to identify the adverse effect of a drug (T36-T50), and with a fifth or sixth character 5

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Anemia due to a drug, where the drug is not specified

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coded to the type of anemia (or to code D64.9 if the type of anemia is not specified).

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Aplastic anemia due to drugs

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D61.1, Drug-induced aplastic anemia

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Aplastic anemia due to infection, radiation, other external agents, or that is toxic

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D61.2

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Idiopathic aplastic anemia

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D61.3

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When the type of anemia is not specified but appears to be related to a diagnosis of malignancy or treatment for malignancy

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physician should be queried to determine whether the code for aplastic anemia may be appropriate.

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When a patient has anemia (deficiency of red cells), neutropenia (deficiency of white cells), and thrombocytopenia (deficiency of platelets)

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only the code for pancytopenia (D61.81-) should be assigned

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if the pancytopenia is congenital rather than due to chronic disease

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D61.09, Other constitutional aplastic anemia

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Do not assign a code from subcategory D61.81

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if the pancytopenia is due to, or with, aplastic anemia (D61.9), bone marrow infiltration (D61.82), congenital (pure) red cell aplasia (D61.01), hairy cell leukemia (C91.4-), HIV disease (B20.-), leukoerythroblastic anemia (D61.82), myelodysplastic syndromes (D46.-), or myeloproliferative disease (D47.1

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When a medical record contains both the terms "sickle-cell trait" and "sickle-cell disease"

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only the code for the sickle-cell disease is assigned

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Thalassemia minor

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defective gene is inherited from only one parent

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thalassemia major

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The defective gene must be inherited from both parents Persons with this form of the disorder are carriers of the disease and usually do not have symptoms

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D56.9, Thalassemia, unspecified

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when the type of thalassemia is not identified

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thalassemia trait, not otherwise specified

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D56.3, Thalassemia minor.

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Bleeding in a patient who is being treated with Coumadin, heparin, anticoagulants, or other antithrombotics

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assign code T45.515-, Adverse effect of anticoagulant, or code T45.525-, Adverse effect of antithrombotic drugs, to indicate any adverse effect of an administered drug, with code D68.32, Hemorrhagic disorder due to extrinsic circulating anticoagulants

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Code D68.31-

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not assigned for hemorrhagic disorder due to extrinsic circulating anticoagulants; it is only assigned when the physician specifically documents a diagnosis of hemorrhagic disorder due to intrinsic circulating anticoagulants.

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Prolonged prothrombin time or other abnormal coagulation profiles

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should not be coded as a coagulation defect. Code R79.1, Abnormal coagulation profile, is assigned for this abnormal laboratory finding.

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If the patient is receiving Coumadin therapy

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a prolonged bleeding time is an expected result, and therefore code R79.1 is not assigned.

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