ICD-10

ICD-10 code R21

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- ICD-10-CM
TABULAR LIST of DISEASES and INJURIES
- R00-R99
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
- R20-R23
Symptoms and signs involving the skin and subcutaneous tissue

R21

Rash and other nonspecific skin eruption

ICD-10 code R21 for Rash and other nonspecific skin eruption

Includes: rash NOS
Excludes1: specified type of rash- code to condition
vesicular eruption (R23.8)
ICD-10
ATC
ICD-10 International Statistical Classification of Diseases and Related Health Problems 10th Revision
ICD-10

ICD-10 is the 10th revision of the International Statistical Classification of Diseases and Related Health Problems (ICD), a medical classification list by the World Health Organization (WHO).

It contains codes for diseases, signs and symptoms, abnormal findings, complaints, social circumstances, and external causes of injury or diseases.

ATC

The Anatomical Therapeutic Chemical (ATC) Classification System is used for the classification of active ingredients of drugs according to the organ or system on which they act and their therapeutic, pharmacological and chemical properties.

It is controlled by the World Health Organization Collaborating Centre for Drug Statistics Methodology (WHOCC).

DDD

The defined daily dose (DDD) is a statistical measure of drug consumption, defined by the World Health Organization (WHO).

It is used to standardize the comparison of drug usage between different drugs or between different health care environments.

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