J11.81
BillableFlu due to unidentified influenza virus w encephalopathy
Influenza due to unidentified influenza virus with encephalopathy
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Influenzal encephalopathy NOS
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •smoke inhalationT59.81
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •allergic or eosinophilic pneumoniaJ82
- •aspiration pneumonia NOSJ69.0
- •meconium pneumoniaP24.01
- •neonatal aspiration pneumoniaP24
- •pneumonia due to solids and liquidsJ69
- •congenital pneumoniaP23.9
- •lipid pneumoniaJ69.1
- •rheumatic pneumoniaI00
- •ventilator associated pneumoniaJ95.851
Use Additional Code
Additional codes that should follow this code
- code, where applicable, to identify:
- •exposure to environmental tobacco smokeZ77.22
- •exposure to tobacco smoke in the perinatal periodP96.81
- •history of tobacco dependenceZ87.891
- •occupational exposure to environmental tobacco smokeZ57.31
- •tobacco dependenceF17
- •tobacco useZ72.0
- •code, if applicable, to identify resistance to antimicrobial drugsZ16
Related Codes(3)
Also Known As / Clinical Terms(8)
UMLS
Clinical Terms
- Influenzal encephalopathy NOS
- Encephalitis caused by influenza virus
- Influenza with encephalopathy
Frequently Asked Questions
What is the ICD-10 code for flu due to unidentified influenza virus w encephalopathy?
The ICD-10-CM code for flu due to unidentified influenza virus w encephalopathy is J11.81. The full clinical description is "Influenza due to unidentified influenza virus with encephalopathy". J11.81 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code J11.81 mean?
ICD-10-CM code J11.81 represents “Influenza due to unidentified influenza virus with encephalopathy”. It is classified under Chapter 10: Diseases of the Respiratory System and is a billable/specific code that can be used on a claim.
Is J11.81 a billable code?
Yes, J11.81 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is J11.81 in?
J11.81 is in Chapter 10: Diseases of the Respiratory System (codes J00-J99).
Are additional codes required with J11.81?
Yes, when using J11.81, also report: code, where applicable, to identify:; exposure to environmental tobacco smoke (Z77.22); exposure to tobacco smoke in the perinatal period (P96.81); history of tobacco dependence (Z87.891); occupational exposure to environmental tobacco smoke (Z57.31); tobacco dependence (F17.-); tobacco use (Z72.0); code, if applicable, to identify resistance to antimicrobial drugs (Z16.-).
What SNOMED CT codes does J11.81 map to?
J11.81 maps to 2 SNOMED CT concepts: 309789002, 74644004. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for J11.81?
J11.81 is linked to 2 UMLS Concept Unique Identifiers: C2977060, C2977059. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does J11.81 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like flu due to unidentified influenza virus w encephalopathy affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of J11.81?
There is no direct ICD-11 mapping available for J11.81 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.