G05 ICD-10-CA category: Encephalitis, myelitis and encephalomyelitis in diseases classified elsewhere
G05 isn’t a code on its own. Choose one of the 4 codes beneath it, the one the documentation supports.
Official description
G05Encephalitis, myelitis and encephalomyelitis in diseases classified elsewhere
ICD-10-CA · Canada
Codes in G05
G05 isn’t a code on its own. Open the code that matches what the note documents.
G05.0Encephalitis, myelitis and encephalomyelitis in bacterial diseases classified elsewhereG05.1Encephalitis, myelitis and encephalomyelitis in viral diseases classified elsewhereG05.2Encephalitis, myelitis and encephalomyelitis in other infectious and parasitic diseases classified elsewhereG05.8Encephalitis, myelitis and encephalomyelitis in other diseases classified elsewhereNotes for G05
As CIHI prints them, with any note G05 takes from the headings above it.
Includes
- Meningoencephalitis and meningomyelitis in diseases classified elsewhere
Excludes
Conditions classified elsewhere.
- Certain:• conditions originating in the perinatal period (P00-P96)• infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 6: Diseases of the nervous system (G00-G99)
Where G05 sits
- 1ChapterChapter 6: Diseases of the nervous system (G00-G99)
- 2Block G00-G09Inflammatory diseases of the central nervous system
- 3Category G05Encephalitis, myelitis and encephalomyelitis in diseases classified elsewhere
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
Is G05 a valid ICD-10-CA code?
No. G05 (Encephalitis, myelitis and encephalomyelitis in diseases classified elsewhere) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 4 codes; record the one the documentation supports.
Where is G05 in ICD-10-CA?
G05 sits under G00-G09 Inflammatory diseases of the central nervous system, within Chapter 6: Diseases of the nervous system (G00-G99).
What coding notes apply to G05?
ICD-10-CA lists Includes, Excludes notes for G05, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside G05
View G00-G09G00Bacterial meningitis, not elsewhere classifiedG01Meningitis in bacterial diseases classified elsewhereG02Meningitis in other infectious and parasitic diseases classified elsewhereG03Meningitis due to other and unspecified causesG04Encephalitis, myelitis and encephalomyelitisG06Intracranial and intraspinal abscess and granulomaG07Intracranial and intraspinal abscess and granuloma in diseases classified elsewhereG08Intracranial and intraspinal phlebitis and thrombophlebitisG09Sequelae of inflammatory diseases of central nervous system