ICD-9 Diagnosis Code 079.99

Viral infection NOS

Diagnosis Code 079.99

ICD-9: 079.99
Short Description: Viral infection NOS
Long Description: Unspecified viral infection
This is the 2014 version of the ICD-9-CM diagnosis code 079.99

Code Classification
  • Infectious and parasitic diseases (001–139)
    • Other diseases due to viruses and Chlamydiae (070-079)
      • 079 Viral infection in conditions classified elsewhere and of unspecified site

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.

  • Acute retinal necrosis
  • Acute viral bronchiolitis
  • Acute viral disease
  • Acute viral laryngotracheitis
  • Acute viral otitis externa
  • Acute viral thyroiditis
  • Amantadine resistant virus present
  • Arthritis due to viral infection
  • Arthritis of hand due to viral infection
  • Arthritis of knee due to viral infection
  • Arthropathy associated with viral disease
  • Boid inclusion body disease
  • Cardiomyopathy due to viral infection
  • Constrictive pericarditis due to virus
  • Disease of possible viral origin
  • Encephalitis due to influenza-specific virus not identified
  • Influenza A virus subtype H1 present
  • Neonatal viral infection of skin
  • Nonspecific syndrome suggestive of viral illness
  • Oral mucosal viral disease
  • Postviral depression
  • Postviral excessive daytime sleepiness
  • Postviral infection debility
  • Viral acute pancreatitis
  • Viral bronchitis
  • Viral carditis
  • Viral dermatitis of eyelid
  • Viral disease
  • Viral disease in mother complicating childbirth
  • Viral ear infection
  • Viral esophagitis
  • Viral eye infection
  • Viral infection by site
  • Viral lower respiratory infection
  • Viral musculoskeletal infection
  • Viral myositis
  • Viral pleurisy
  • Viral respiratory infection
  • Viral retinitis
  • Viral ulcer of esophagus
  • Virus isolated but not further identified
  • Virus present
  • Zanamivir resistant virus present

Index of Diseases and Injuries
References found for the code 079.99 in the Index of Diseases and Injuries:

Information for Patients

Viral Infections

Viruses are capsules with genetic material inside. They are very tiny, much smaller than bacteria. Viruses cause familiar infectious diseases such as the common cold, flu and warts. They also cause severe illnesses such as HIV/AIDS, smallpox and hemorrhagic fevers.

Viruses are like hijackers. They invade living, normal cells and use those cells to multiply and produce other viruses like themselves. This eventually kills the cells, which can make you sick.

Viral infections are hard to treat because viruses live inside your body's cells. They are "protected" from medicines, which usually move through your bloodstream. Antibiotics do not work for viral infections. There are a few antiviral medicines available. Vaccines can help prevent you from getting many viral diseases.

NIH: National Institute of Allergy and Infectious Diseases

  • Chikungunya virus
  • ECHO virus
  • Enterovirus D68
  • Hand-foot-mouth disease
  • Herpangina
  • Molluscum contagiosum
  • Parainfluenza
  • Roseola

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