ICD-9 Diagnosis Code 995.21

Arthus phenomenon

Diagnosis Code 995.21

ICD-9: 995.21
Short Description: Arthus phenomenon
Long Description: Arthus phenomenon
This is the 2014 version of the ICD-9-CM diagnosis code 995.21

Code Classification
  • Injury and poisoning (800–999)
    • Other and unspecified effects of external causes (990-995)
      • 995 Certain adverse effects, not elsewhere classified

Information for Medical Professionals

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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 995.21 in the Index of Diseases and Injuries:

    • Arthus phenomenon 995.21
      • due to
        • correct substance properly administered 995.21
        • overdose or wrong substance given or taken 977.9
          • specified drug - see Table of Drugs and Chemicals
        • serum 999.59
    • Phenomenon
      • Arthus 995.21
    • Reaction
      • Arthus 995.21

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