R21✓ Billable

Rash and other nonspecific skin eruption

Related Codes· Symptoms and signs involving the skin and subcutaneous tissue (R20-R23)

R20Disturbances of skin sensationR22Localized swelling, mass and lump of skin and subcutaneous t…R23Other skin changes

✓ Includes

  • •rash NOS

Also Indexed As(ICD-10-CM Alphabetic Index)

These clinical terms, synonyms, and manifestations all map to R21 in the official ICD-10-CM Alphabetic Index.

Rash

✗ Excludes 1(Not coded here)

  • •specified type of rash- code to condition
  • •vesicular eruption (R23.8)

Code Hierarchy

┌18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)├R20-R23Symptoms and signs involving the skin and subcutaneous tissue (R20-R23)├R21Rash and other nonspecific skin eruption
└R21Rash and other nonspecific skin eruption

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