Elevated erythrocyte sedimentation rate and abnormality of plasma viscosity (R70) ICD-10-CM
The R70 code range covers elevated erythrocyte sedimentation rate and abnormality of plasma viscosity with 3 ICD-10-CM diagnosis codes. 2 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Codes in the R70 Range 3 codes · 2 billable
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the R70 range.
Reticulocytosis
An increase in circulating RETICULOCYTES, which is among the simplest and most reliable signs of accelerated ERYTHROCYTE production. Reticulocytosis occurs during active BLOOD regeneration (stimulation of red bone marrow) and in certain types of ANEMIA, particularly CONGENITAL HEMOLYTIC ANEMIA.
About the R70 Code Range
These are abnormal blood examination findings without a diagnosis. They involve a raised erythrocyte sedimentation rate or plasma viscosity outside its reference range.
R70.0 identifies the raised rate. R70.1 identifies abnormal plasma viscosity.
Questions About This Page
How many billable codes are in the R70 range?
Of the 3 codes in this range, 2 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the R70 range classify?
The range classifies elevated erythrocyte sedimentation rate and abnormality of plasma viscosity. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.