R71
Non-billableAbnormality of red blood cells
Abnormality of red blood cells
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •abnormal findings on antenatal screening of motherO28
- •certain conditions originating in the perinatal periodP04-P96
- signs and symptoms classified in the body system chapters
- •signs and symptoms of breast,N63, N64.5
- •abnormalities of lipidsE78
- •abnormalities of platelets and thrombocytesD69
- •abnormalities of white blood cells classified elsewhereD70-D72
- •coagulation hemorrhagic disordersD65-D68
- diagnostic abnormal findings classified elsewhere - see Alphabetical Index
- •hemorrhagic and hematological disorders of newbornP50-P61
Child Codes (2)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(18)
UMLS
- Abnormal erythrocyteC0391870
- Abnormal erythrocyte morphologyC0391870
- Abnormality of erythrocytesC0391870
- Abnormality of red blood cellsC0391870
- Abnormality of red blood cells (morphologic abnormality)C0391870
- Erythrocyte abnormalityC0391870
- Erythrocyte abnormality NOSC0391870
- Erythrocytes abnormalC0391870
- Erythrocytes abnormal (NOS)C0391870
- RBC abnormal (NOS)C0391870
- Red blood cell abnormalityC0391870
- Red blood cell abnormality NOSC0391870
- abnormal rbcC0391870
- abnormal rbcsC0391870
- abnormal red blood cellC0391870
- abnormalities blood cell redC0391870
- abnormalities cell redC0391870
- red blood cells abnormalC0391870
Frequently Asked Questions
What is the ICD-10 code for abnormality of red blood cells?
The ICD-10-CM code for abnormality of red blood cells is R71. The full clinical description is "Abnormality of red blood cells". R71 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code R71 mean?
ICD-10-CM code R71 represents “Abnormality of red blood cells”. It is classified under Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings and is a non-billable header code. Use a more specific child code for billing purposes.
Is R71 a billable code?
No, R71 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under R71.
What chapter is R71 in?
R71 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).
What codes cannot be used with R71?
R71 has Excludes1 notes indicating codes that cannot be used together with it, including: anemias (D50-D64); anemia of premature infant (P61.2); benign (familial) polycythemia (D75.0); and 6 more.
What are the subcategories under R71?
R71 has 2 child codes, including: R71.0 (Precipitous drop in hematocrit), R71.8 (Other abnormality of red blood cells).
What are the UMLS CUIs for R71?
R71 is linked to 1 UMLS Concept Unique Identifier: C0391870. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does R71 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like abnormality of red blood cells affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of R71?
R71 maps to the ICD-11 code: MA16.0Z (Abnormality of red blood cells, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.