What ICD-10 Codes are Used for Elevated Hematocri
Healthcare professionals utilize the International Classification of Diseases, Tenth Revision (ICD-10) as a standardized coding system for documenting diagnoses, symptoms, and medical procedures. When it comes to elevated hematocrit levels, a variety of ICD-10 codes are frequently employed:
- R71.0 - Polycythemia Vera: This code is designated for cases involving polycythemia vera, a slow-progressing blood cancer where the bone marrow overproduces red blood cells.
- R71.1 - Dehydration: Utilized for diagnosing dehydration, this code indicates a condition where there is insufficient bodily fluid, leading to an increased concentration of red blood cells and, subsequently, elevated hematocrit levels.
- D75.1 - Secondary Polycythemia: This code is applied to secondary polycythemia, a situation marked by elevated red blood cell counts due to an underlying condition such as hypoxia or low oxygen levels.
- D58.0 - Hereditary Spherocytosis: This code is assigned to hereditary spherocytosis, a genetic disorder resulting in anemia, jaundice, and spleen enlargement—conditions that can raise hematocrit levels.
- E03.1 - Subclinical Iodine-Deficiency Hypothyroidism: This code is designated for subclinical iodine-deficiency hypothyroidism, a milder underactive thyroid form that can indirectly contribute to elevated hematocrit levels.
- J44.9 - Chronic Obstructive Pulmonary Disease (COPD): This code diagnoses chronic obstructive pulmonary disease, a chronic lung condition that obstructs airflow and may elevate hematocrit levels due to reduced oxygen intake.
- R71.8 - Other Abnormality of Red Blood Cells: This code covers other unspecified red blood cell abnormalities, serving as a catch-all for conditions affecting red blood cells and possibly leading to high hematocrit levels.
For a visual and interactive guide, consider watching our explainer video that breaks down the complexities of these ICD-10 codes and how they relate to elevated hematocrit.
By familiarizing yourself with these common elevated hematocritICD-10 codes, healthcare providers can more effectively identify and treat conditions associated with elevated hematocrit levels.

