ICD-10 Diagnosis Code R31.21

Asymptomatic microscopic hematuria

Diagnosis Code R31.21

ICD-10: R31.21
Short Description: Asymptomatic microscopic hematuria
Long Description: Asymptomatic microscopic hematuria
This is the 2017 version of the ICD-10-CM diagnosis code R31.21

New 2017 ICD-10 Code
R31.21 is new to ICD-10 code set for the FY 2017, effective October 1, 2016.

Code Classification
  • Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
    • Symptoms and signs involving the genitourinary system (R30-R39)
      • Hematuria (R31)

Information for Medical Professionals

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.
Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

Index of Diseases and Injuries
References found for the code R31.21 in the Index of Diseases and Injuries:

Replacement Code Additional informationCallout TooltipReplacement Code
The National Center for Health Statistics (NCHS) has published an update to the ICD-10-CM diagnosis codes which became effective October 1, 2016. This is a new and revised code for the FY 2017 (October 1, 2016-September 30, 2017).

This code replaces the following previously assigned ICD-10 code(s) listed below:
  • R31.2 - Other microscopic hematuria

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