Supplemental Digital Content 1: Read codes used to search the PICANet database and their matching ICD 10 codes.
Read code Diagnosis ICD10
F212. Acute and subacute haemorrhagic leukoencephalitis [Hurst] G361
X001c Acute disseminated encephalomyelitis G040
X001P Acute haemorrhagic leucoencephalitis G361
F4H32 Acute retrobulbar neuritis G360
X001Z Acute viral transverse myelitis G048
X0015 Adenoviral encephalitis G051A
X001L Amoebic encephalitis G048
X001E Bacterial encephalitis G042
F00.. Bacterial meningitis G042
X000e Bacterial ventriculitis G048
X001R Brainstem encephalitis G048
X00Dx Cerebral systemic lupus erythematosus G058A
X000L Chronic echovirus meningoencephalitis G048
F021. Chronic eosinophilic meningitis G052A
A9041 Congenital syphilitic encephalitis G050A
X0013 Cytomegaloviral encephalitis G051A
X5005 Eczema vaccinatum G040
X000h Encephalitis G049
XE15D Encephalitis NOS G049
XaC1s Encephalitis due to influenza G051A
XaEGX Encephalitis due to influenza-specific virus not identified G051A XaC2H Encephalitis due to influenza-virus identified G051A
F033. Encephalitis due to other infection EC G058A
F032. Encephalitis due to protozoa EC G052A
F032z Encephalitis due to protozoa EC NOS G052A
F031. Encephalitis due to rickettsia EC G052A
F0332 Encephalitis due to syphilis unspecified G050A
X001F Encephalitis in listeriosis G050A
F030. Encephalitis in viral disease EC G051A
XE15B Encephalitis, myelitis and encephalomyelitis G049
Xa3f9 Encephalitis/myelitis NOS G049
XaEI5 Encephalomyelitis G049
X001X Encephalomyelitis NOS G049
X001V Encephalopathy in Whipple disease G048
X000j Enteroviral encephalitis G051A
X001Q Focal encephalitis G048
X001J Fungal encephalitis G048
X000f Fungal ventriculitis G048
X001N Granulomatous amoebic encephalitis G048
X0017 Herpes simiae encephalitis G051A
X70Ja Herpes simiae infection G051A
XE0RD Herpes simplex encephalitis G051A
X0016 Herpes zoster encephalitis
G051A Read
code Diagnosis ICD10
X0014 Infectious mononucleosis encephalitis G051A
XSCCR Late syphilis G050A
X001I Late syphilitic encephalitis G050A
X001T Limbic encephalitis G048
X70HV Listeria cerebritis G050A
F0320 Malarial encephalitis G052A
X000g Malignant ventriculitis G048
F0330 Meningococcal encephalitis G050A
F0305 Mumps encephalitis G051A
XaEI4 Myelitis G049
X001W Myelitis and encephalomyelitis G049
X75sa Neuralgia G360
X000E Neurological disorder G04
X70JA Neurological varicella G051A
F4H3. Optic neuritis G360
F210. Optic neuromyelitis G360
XE15C Other causes of encephalitis G048
A13y. Other specified tuberculosis of central nervous system G050A
F241. Paraplegia G041
X001K Parasitic encephalitis G052A
F0302 Polioencephalitis G051A
F0340 Post BCG vaccination encephalitis G040
F0343 Post cholera vaccination encephalitis G040
F0346 Post diphtheria vaccination encephalitis G040
F034H Post hepatitis A vaccination encephalitis G040
F034J Post hepatitis B vaccination encephalitis G040
F034G Post influenza vaccination encephalitis G040
F034C Post measles vaccination encephalitis G040
F034x Post mixed vaccination encephalitis G040
F034E Post mumps vaccination encephalitis G040
F034y Post other specified vaccination encephalitis G040
F0342 Post paratyphoid vaccination encephalitis G040
F0347 Post pertussis vaccination encephalitis G040
F0344 Post plague vaccination encephalitis G040
F034D Post polio vaccination encephalitis G040
F0349 Post rabies vaccination encephalitis G040
F034F Post rubella vaccination encephalitis G040
F0348 Post smallpox vaccination encephalitis G040
F0345 Post tetanus vaccination encephalitis G040
F0341 Post typhoid vaccination encephalitis G040
F034A Post typhus vaccination encephalitis G040
F034B Post yellow fever vaccination encephalitis G040
F034. Post-immunisation encephalitis G040
F034z Post-immunisation encephalitis NOS G040
X001d Post-immunisation encephalomyelitis G040
F035. Post-infectious encephalitis G048
Read code
Diagnosis ICD10
F035z Post-infectious encephalitis NOS G048
X001e Post-infectious encephalomyelitis G048
X001O Post-influenza encephalitis G051A
F0351 Post-measles encephalitis G051A
A520. Postvaricella encephalitis G051A
X001M Primary amoebic encephalitis G052A
X001D Progressive rubella panencephalitis G051A
X001S Rasmussen syndrome G048
F0306 Rubella encephalitis G051A
A5601 Rubella encephalomyelitis G051A
XaDv8 Spastic paraparesis G041
XaBXD Spinal demyelination G368
X005h Subacute haemorrhagic leucoencephalitis G361
A94y0 Syphilitic encephalitis G050A
F0334 Toxoplasma encephalitis G052A
F037. Transverse myelitis G360
X001f Tropical spastic paraplegia G041
F0321 Trypanosomiasis encephalitis G052A
A13.. Tuberculosis of meninges and central nervous system G050A
F0333 Tuberculous encephalitis G050A
A136. Tuberculous encephalitis or myelitis G050A
A136z Tuberculous encephalitis or myelitis NOS G050A
A1303 Tuberculous meningoencephalitis G050A
A1361 Tuberculous myelitis G050A
F033z Unspecified encephalitis due to other infection EC G052A
F0350 Varicella encephalitis G051A
X001a Varicella transverse myelitis G051A
X000m Venezuelan equine encephalitis G051A
X000c Ventriculitis G049
Fyu42 [X]Acute disseminated demyelination, unspecified G369 Fyu05 [X]Bacterial meningoencephalitis+meningomyelitis,NEC G042 Fyu07 [X]Encephalitis,myelitis+encephalomyelitis/bactrl disease CE G050A Fyu0A [X]Encephalitis,myelitis+encephalomyelitis/other diseases CE G058A Fyu08 [X]Encephalitis,myelitis+encephalomyelitis/viral disease CE G051A Fyu09 [X]Encephl,myelitis+encphmylitis/oth infct+parasit diseas CE G052A Fyu06 [X]Other encephalitis, myelitis and encephalomyelitis G048 Fyu40 [X]Other specified acute disseminated demyelination G368 Key: Only cases that had a diagnosis of ‘encephalitis’, ‘meningoencephalitis’, and ‘encephalomyelitis’
were included in the study. PICANet= Paediatric Intensive Care Audit Network.
