All ICD10 Codes
R71Non-billable

Abnormality of red blood cells

Symptoms, Signs and Abnormal Clinical and Laboratory Findings·Abnormal findings on examination of blood, without diagnosis (R70-R79)·category·FY 2026

Use a more specific code (2 billable)
R71.0Precipitous drop in hematocritR71.8Other abnormality of red blood cells

CH18 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • abnormal findings on antenatal screening of mother (O28.-)
  • certain conditions originating in the perinatal period (P04-P96)
  • signs and symptoms classified in the body system chapters
  • signs and symptoms of breast (N63, N64.5)

R70-R79 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • abnormal findings on antenatal screening of mother (O28.-)
  • abnormalities of lipids (E78.-)
  • abnormalities of platelets and thrombocytes (D69.-)
  • abnormalities of white blood cells classified elsewhere (D70-D72)
  • coagulation hemorrhagic disorders (D65-D68)
  • diagnostic abnormal findings classified elsewhere - see Alphabetical Index
  • hemorrhagic and hematological disorders of newborn (P50-P61)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • 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)

Clinical Hierarchy

BillableHas subcodes
CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R70-R79Abnormal findings on examination of blood, without diagnosis (R70-R79)
R71Abnormality of red blood cellsNot billable
R71.0Precipitous drop in hematocritBillable
R71.8Other abnormality of red blood cellsBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.