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J11.81 - Influenza due to unidentified influenza virus with encephalopathy


The ICD 10 Code for Influenza due to unidentified influenza virus with encephalopathy is listed as J11.81.
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: J11.81
Description: Influenza due to unidentified influenza virus with encephalopathy
  • Influenzal encephalopathy NOS
Diagnostic Related Groups
(MS-DRG v30.0)
865 - Viral Illness W Mcc
866 - Viral Illness W/o Mcc
Chapter Diseases of the respiratory system (J00-J99)
Block Influenza and pneumonia (J09-J18)
Parent J11.8 - Influenza due to unidentified influenza virus with other manifestations
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 487.8 - Influenza with other manifestations (approximate)
ICD-10-CM Siblings (same level / similar specificity) of J11.81:
J11.82 - Influenza due to unidentified influenza virus with myocarditis
J11.83 - Influenza due to unidentified influenza virus with otitis media
J11.89 - Influenza due to unidentified influenza virus with other manifestations