R71 ICD-10-CM Code: Abnormality of red blood cells
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
R71Abnormality of red blood cells
ICD-10-CM diagnosis code · United States clinical modification
Where R71 sits
- 1
Chapter 18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
- 2
Section
Abnormal findings on examination of blood, without diagnosis (R70-R79)
- 3
Category R71
Abnormality of red blood cells
- 4
Code R71
Abnormality of red blood cells
Codes under R71
R71 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Notes for this code
Inclusion terms
No inclusion terms are listed for R71.
Code first
No “code first” instruction is listed for R71.
Use additional code
No “use additional code” instruction is listed for R71.
Excludes1
Conditions that should not be reported together with this 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)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for R71.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code R71 mean?
R71 is the FY 2027 U.S. ICD-10-CM code for “Abnormality of red blood cells.”
Is R71 a billable or specific ICD-10-CM code?
No. R71 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is R71 located in ICD-10-CM?
R71 is listed in Chapter 18, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), within Abnormal findings on examination of blood, without diagnosis (R70-R79) (R70–R79), under category R71, Abnormality of red blood cells.
What coding notes are listed for R71?
No inclusion terms are listed for R71 in this reference record. No code-first instruction is listed. Excludes1 notes: 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). No Excludes2 note is listed.