R71 - Abnormality of red blood cells

Version 2023
No Valid Principal Dx
ICD-10:R71
Short Description:Abnormality of red blood cells
Long Description:Abnormality of red blood cells
Status: Not Valid for Submission
Version:ICD-10-CM 2023
Code Classification:
  • Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00–R99)
    • Abnormal findings on examination of blood, without diagnosis (R70-R79)
      • Abnormality of red blood cells (R71)

R71 is a non-specific and non-billable ICD-10 code code, consider using a code with a higher level of specificity for a diagnosis of abnormality of red blood cells. The code is not specific and is NOT valid for the year 2023 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

According to ICD-10-CM guidelines this code should not to be used as a principal diagnosis code when a related definitive diagnosis has been established.

Specific Coding for Abnormality of red blood cells

Non-specific codes like R71 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for abnormality of red blood cells:

  • BILLABLE CODE - Use R71.0 for Precipitous drop in hematocrit
  • BILLABLE CODE - Use R71.8 for Other abnormality of red blood cells

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more. The following references are applicable to this diagnosis code:


Type 1 Excludes

Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

Code History