1. Diseases of the Blood and Blood-Forming Organs and Certain Disorders Involving the Immune Mechanism ICD-10-CM
ICD-10 Sect IC Chap 3 Blood & Blood Forming

2. Anemia Defined
A condition in which your blood has a reduced number of circulating red blood cells usually defined as an abnormally low hemoglobin or hematocrit level.
Caused by:
Disease (malignancy, kidney failure, immunity)
Blood loss
Decreased blood formation or destruction of cells
Nutritional Deficiency
Drug induced

3. Anemia, Due to
D50.0 – Iron deficiency secondary to blood loss (chronic blood loss)
D50.9 – Iron deficiency Anemia
D51.0 – Vitamin B12 deficiency anemia
D53.0 – Protein deficiency anemia
D62 – Acute blood loss
D63.1 – Anemia in chronic kidney disease
D63.8 – Anemia in neoplastic disease
D64.81 – Anemia due to antineoplastic chemotherapy

4. Anemia Associated with Malignancy
Coding Guideline I.C.2.c.1. Anemia Associated with Malignancy
When admission/encounter is for management of an anemia associated with the malignancy, and the treatment is only for anemia, the appropriate code for the malignancy is sequenced as the principal or first-listed diagnosis followed by the appropriate code for the anemia (such as D63.0, Anemia in neoplastic disease).
Page 114 of the Instructor and Student Training Guide
ICD-10 Sect IC Chap 3 Blood & Blood Forming

5. Q&As
Chapter 3: Diseases of the Blood and - forming Organs and Certain Disorders Involving the Immune Mechanism

6. Exercise #1
Resident admitted to facility with diagnosis of iron deficiency secondary to chronic blood loos
What are the diagnosis code(s) assigned?

7. Answer #1
Answer: D50.0
Rationale: Resident must have chronic blood loss documented by the physician