Hematology ICD-10-CM Coding Tipsheet Overview of Key Chapter 3 Updates Diseases of the Blood and Blood-forming Organs & Certain Disorders involving the Immune Mechanism (D50-D89)
Key Updates to Chapter 3 of ICD-10-CM: • Anemia is the most common condition included in this chapter. The use of specific terminology is important in applying codes for this condition. • Updates to medical terminology and greater specificity • Procedural complications affecting the spleen are included in chapter 3 of ICD-10-CM.
Examples of Hematology Combination Codes – ICD-10-CM • D57.211 – Sickle-cell/Hb-C disease with acute chest syndrome • D57.212 – Sickle-cell/Hb-C disease with splenic sequestration • D57.411 – Sickle-cell thalassemia with acute chest syndrome • D57.412 – Sickle-cell thalassemia with splenic sequestration
(Source: 2014 Draft ICD-10-CM Official Guidelines for Coding and Reporting)
The top ten ICD-9 to ICD-10 mappings for this ICD-10 chapter are found in the chart below.
Top ICD-9 ICD-10 10 Code ICD-9 Description Code ICD-10 Description 1 285.9 Anemia, unspecified D64.9 Anemia, unspecified 2 280.9 Iron deficiency anemia, unspecified D50.9 Iron deficiency anemia, unspecified Vitamin B12 deficiency anemia due to 3 281.0 Pernicious anemia D51.0 intrinsic factor deficiency Vitamin B12 deficiency anemia due to selective vitamin B12 malabsorption 4 281.1 Other vitamin B12 deficiency anemia D51.1 with proteinuria 281.1 Other vitamin B12 deficiency anemia D51.2 Transcobalamin II deficiency Other dietary vitamin B12 deficiency 281.1 Other vitamin B12 deficiency anemia D51.3 anemia 281.1 Other vitamin B12 deficiency anemia D51.8 Other vitamin B12 deficiency anemias Vitamin B12 deficiency anemia, 281.1 Other vitamin B12 deficiency anemia D51.9 unspecified Other and unspecified coagulation 5 286.9 defects D68.8 Other specified coagulation defects Other and unspecified coagulation 286.9 defects D68.9 Coagulation defect, unspecified 6 285.21 Anemia in chronic kidney disease D63.1 Anemia in chronic kidney disease 7 287.5 Thrombocytopenia, unspecified D69.6 Thrombocytopenia, unspecified
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The Top Ten Hematology ICD-9 to ICD-10 mappings Continued
Top ICD-9 ICD-10 10 Code ICD-9 Description Code ICD-10 Description Elevated white blood cell count, 8 288.60 Leukocytosis, unspecified D72.829 unspecified Iron deficiency anemia secondary to Iron deficiency anemia secondary to 9 280.0 blood loss (chronic) D50.0 blood loss (chronic) 10 288.00 Neutropenia, unspecified D70.9 Neutropenia, unspecified The codes highlighted in orange indicate the individual ICD-9 code that is being mapped to one or many ICD-10 codes
(Source of ICD-9-CM to ICD-10-CM mappings: CMS.org General Equivalence Mappings (GEMs), 2014)
The information in this document is not intended to impart legal advice. This overview is intended as an educational tool only and should not be relied upon as legal or compliance advice. If you have any legal questions about the information contained herein, you should consult your attorney or other professional legal services provider.
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