10ICD Code Hub

R71

Header — not billable

Abnormality of red blood cells

The ICD-10 code for abnormality of red blood cells is R71.

R71 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 2 more specific codes below.

Clinical notes

Excludes1 (not coded here)

An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).

  • 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)

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Child codes under R71

Related codes in this category