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R71

Non-billable

Abnormality of red blood cells

R71 is the ICD-10-CM code for Abnormality of red blood cells. It is a non-billable category code — use a more specific child code such as R71.0 for billing.

Status
Header (non-billable)
Chapter
R00-R99
Subcodes
2
Edition
FY2026

R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

What this means — in plain language

MedlinePlus · NIH

Your blood is made up of liquid and solids. The liquid part, called plasma, is made of water, salts, and protein. Over half of your blood is plasma. The solid part of your blood contains red blood cells, white blood cells, and platelets. Red blood cells (RBC) deliver oxygen from your lungs to your tissues and organs. White blood cells (WBC) fight infection and are part of your immune system. Platelets help blood to…

Read more about Blood at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

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)

Frequently asked questions

What is ICD-10 code R71?
R71 is the ICD-10-CM code for "Abnormality of red blood cells". It falls under R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
Is R71 a billable code?
No — R71 is a non-billable header code. Use a more specific child code (such as R71.0) for billing.
What are the subcodes of R71?
R71 has 2 more specific child codes, including R71.0, R71.8.
What is excluded from 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).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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