ICD-10-CM R71: Abnormality of red blood cells

ICD-10-CM Diagnosis Code (2025)

Official Description for R71

Abnormality of red blood cells

Coding Notes & Guidelines for R71

Excludes1: Not Coded Here
  • anemias (D50-D64)
  • anemia of premature infant (P61.2)
  • benign (familial) polycythemia (D75.0)
  • congenital anemias (P61.2-P61.4)
  • newborn anemia due to isoimmunization (P55.-)
  • polycythemia neonatorum (P61.1)
  • polycythemia NOS (D75.1)
  • polycythemia vera (D45)
  • secondary polycythemia (D75.1)
Inclusion Terms
  • Drop (precipitous) in hemoglobin
  • Drop in hematocrit
Inclusion Terms
  • Abnormal red-cell morphology NOS
  • Abnormal red-cell volume NOS
  • Anisocytosis
  • Poikilocytosis

Child Codes (More Specific Codes for R71):

About ICD-10-CM Code R71 (Abnormality of red blood cells)

ICD-10-CM code R71 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM R71 became effective on October 1, 2024.

This page provides detailed information about R71 - Abnormality of red blood cells. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Abnormality of red blood cells.