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R21 - Rash and other nonspecific skin eruption


The ICD 10 Code for Rash and other nonspecific skin eruption is listed as R21.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: R21
Description: Rash and other nonspecific skin eruption
  • Includes: rash NOS
  • Excludes1: specified type of rash -code to condition
  • vesicular eruption (R23.8)
Diagnostic Related Groups
(MS-DRG v30.0)
606 - Minor Skin Disorders W Mcc
607 - Minor Skin Disorders W/o Mcc
Chapter Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 782.1 - Rash and other nonspecific skin eruption